Awesome Diva adventures

Awesome Diva adventures I’ve learned more about the inner workings of MIT from my summer job than I learned in one year of being a student†¦ and I’m not even working for the Institvte! This summer I’m on staff for the Research Science Institute, or RSI, a summer program for rising high school seniors around the country and the world. They all come to MIT, stay in Simmons hall, and get paired with a mentor in the Boston area to do an original scientific research project in six weeks. I attended RSI myself in high school, and this year I had applied to be a counselor, but I landed the job of AD. My boss thinks this stands for “Assistant Director,” but I much prefer “Awesome Diva.” 617) Being AD means that any time any of the 77 students or any staff has a problem, I’m the one they call. But who do *I* call? Through trial and error, I’ve become an expert in certain areas of the MIT bureaucracy. Student lost their meal card? I’ve got contacts at the Card Office. Projector won’t turn on? The “emergency” facilities number actually gives you a menu option for “this isn’t an emergency” and will then solve all your problems. Facilities worker says the projector isn’t going to be fixed in time for class this afternoon anyways? Susanne at the Schedules office has got your back. Need to register a six-week lecture series as an official MIT event? I found all 4 different offices that will need to sign your paperwork. Going to these offices in the late afternoon? Tough luck; the police office in the basement of the student center closes at 2pm. (I want *that* job!) One of the lecturers needs a document camera in his presentation? MIT Audio Visual is the place to go, and I found their cleverly hidden basement offices (turn left at the bottom of the stairs, not right!) And if MIT AV forgets to give you a projector to go with the document camera? I begged a favor from my favorite student group, ESP, to borrow one of their projectors. Speaking of ESP, the MIT Educational Studies Program†¦ every once in a while, I have time to take a break from dealing with RSI issues and volunteer for other high school summer programs. ESP runs Junction, an intense 4-evenings-a-week non-residential program for high school students to take college-level classes taught by volunteer college students. Last Wednesday was the first day, and Junction had the most awesome check-in process I’ve ever heard of. After students signed in and got their t-shirts, they were taken out to Kresge Oval, a grassy area right in the middle of campus, to participate in several stations and try to earn stickers for their folders (the five-year-old in me loved this. I got to give out train stickers!) There were improv games, human knot-theory (oh no, they didn’t just have to untie knots, they had to create them!), robotic ice-cream sundaes, and toothpick-and-marshmallow construction. But my station was the best. The task: build a Rube Goldberg machine to pop a balloon, with at least 5 transfers of energy. The Junction students could use any of the materials we’d gathered: small cardboard boxes, wooden skewers, straws, bouncy balls, mousetraps, a hotwheels car and ramp, feathers, rubber bands, and more, along with as much duct tape as their hearts desired. (I had planned to limit duct tape, but it was a windy day†¦) The hard part: a group of 10-15 students had only 10 minutes to complete this task. This is harder than you might think. How can 5 energy transfers be so hard? When your 6th grade teacher gave you a Rube Goldberg assignment as part of your energy unit, you had to have at least 15. (At least, I did. Maybe Mr. Cave was being extra hard on us?) But I challenge you to do this. Start now, I’ll give you 5 minutes to run around your house collecting materials before your 10 minutes start. You’ll want that duct tape. As it turns out, I didn’t get to give my train stickers to any of the groupsâ€"the record was 4 energy transfers, and they had to touch the device to make one of the bouncy balls roll down a ramp because the previous step had failed. If I had to guess why this was, I’d say it was communication. Most of the Junction students had just met each other, and it was hard to start grabbing materials, assigning tasks, testing components, and combining elements quickly. It’s really hard to tell someone you just met, “No, that’s probably not going to work.” It was really cool standing back and letting them figure out how to work with each other though, and given 5 more minutes to get over the awkwardness barrier, the groups would have done great. It was getting late in the afternoon, and one of the Junction groups was in the middle of this process when I get a tap on my shoulder. I whirl around to see three or four of my RSI students just standing around. The must have seen my pink hair from all the way across the field. “What’s going on here, Kate?” they ask, and it’s clear that the jumble of office supplies all over the table is beckoning them to jump in with the Junction students and start building. I’m also pretty sure that’s not the point. So what do I do? Tell them to go away? Let them join in? Oh, I know, I’ll stammer awkwardly for a bit until one of them offers me a blueberry (best solution ever, right? It was a good blueberry, too). The RSI kids eventually wandered away, and the cleverest thing I could think of to say was, “Turns out I do other things while you guys are at work” Im pretty awkward for an Awesome Diva. And I’m sure the awkward isn’t over. Elizabeth Choe apparently wants me to sing?

Principle Component Analysis ( Pca ) - 1329 Words

PCA model Principle component analysis (PCA) is often used to reduce the dimensionality of a data set, and the reduced data can then explain most of the variance within the original data (Guo, Wang Louie, 2004). The main function of the PCA is to convert a number of interrelated variables into a smaller set of independent variables. The new independent variables which are called principal components (PCs). They are the linear combinations of the original variables (Jackson J.E., 2005). The PCA model can be expressed as (Miller et al., 2002): Z_ik=∑_(j=1)^pââ€"’ã€â€"G_ij H_jk ã€â€" i=1,2,†¦,m;k=1,2,†¦,n (1) Where: G_ij= the correlation of compound i with factor j H_jk= the relative impact of jth factor for the total contaminant of the kth†¦show more content†¦Standardization of the original data before the PCA can help us better understand how the variables influence the analysis (Thurston Spengler, 1985). Before applying the standardized data to the PCA, the outliers should be excluded. A sensitivity analysis should be done to determine the outliers which should be removed. The suspected outliers should be removed from the data set one at a time until the PCA reaches a stable result and the further exclusion of the samples has very little effect on the PCA results (Swietlicki et al., 1996). Outputs The output of the PCA based on Matlab includes the following: â€Å"coeff† file, â€Å"score† file, â€Å"latent† file, â€Å"tsquared† file, and the â€Å"explained† file. The â€Å"coeff† file is a matrix of the principal component coefficients, or we can call them loadings. If the input matrix is n-by-p, then the coefficient matrix should be p-by-p. The columns of the coefficient matrix represent the principal components, and the columns are placed in descending order according to the component variance. The â€Å"score† file gives us a matrix of the principal component score which represents the input matrix in the new principal component space. The score file represents the projection of theShow MoreRelatedImprove ATM Security by Face Recognition Essay1373 Words   |  6 Pagesbuzzer is connected on the FPGA board which gives instructions to the user to access the Account. If the person is not authenticated then the process is terminated and the output is show on FPGA board with the help of LEDs. Keywords- Recognition, ATM, PCA, GSM, FPGA, Euclidian distance I. INTRODUCTION The face recognition plays very important role in security system [4]. The main objective of face recognition is to recognize person from pictures or video using databases of face. There are a lots ofRead MoreFeature Extraction Essay1576 Words   |  7 Pagesmany research works, the various feature extraction algorithms are used for remotely sensed imagery. 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Henderson ID: @02181956 Spring 2007 Abstract Table of Contents Principle Component Analysis (PCA) DefinitionÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â….4 Uses of PCAÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…5 Illustrative Example of PCAÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…5 Method to Determine PCAÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…..6 Basic Analysis of Variance (ANOVA) Purpose and Definition of ANOVAÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…12 Illustrative Example of ANOVAÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â….12 RiskRead MoreAnalysis Of Data Tri On High Dimensional And Multicollinear Data3015 Words   |  13 Pages University of Connecticut STAT5605 Project :The Analysis of Data-TRI Prediction on high-dimensional and multicollinear data â€Æ' Contents [Abstract]: 2 Section 1: Introduction 3 Section 2: Data Description 4 Section 3: Methods and Models: 5 Section 4: Analysis of Data 8 Principle Component Analysis (PCA) 8 Ridge Regression 17 Section5: Model Comparison, Conclusion and Remarks. 20 Section6: Appendix 23 Appendix.A 23 Appendix.B 27 References 29 â€Æ' [Abstract]: This paper is mainly based on the dataRead MoreA Brief Note On Surface Water And Water1557 Words   |  7 PagesSurface water (waterways, streams, and lakes) covers almost 70% of the Earth s surface are the principle wellsprings of water for mechanical, household, and watering system utilizes making it a standout amongst the most vital players in the hydrologic and biogeochemical cycles. 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The Death Penalty Is Justified - 1184 Words

The death penalty has been implemented in the world since the early eighteenth century. When the United Stated was created they adopted this policy because it was one of the only way of punishment the world knew. But as time has gone on many countries have moved away from this practice in favor of long prison sentences and other types of crime determents. This is a very controversial topic in the U.S. within the recent years because many political figures have come out passionately on either side of the issue. Many people say that the U.S. needs to strongly consider moving away from sentencing people to death as quick as possible because many people’s lives are on the line. The death penalty has proved ineffective in deterring crime, is†¦show more content†¦We could just as easily sentence someone to life in prison without putting them to death and have the same result without killing a person. Many people who are sentenced to death spend decades on death row, so peop le who think about committing a crime don’t equate capital punishment with the crime they are thinking committing. If the death penalty doesn’t deter people from committing violent crimes then there is very little reason to keep it in place. One common misconception about the death penalty is that it is less costly than sentencing someone to life in prison. People think that since someone may spend less time in prison on death row that it would cost less all together but that is factually false. One of the main reasons its false is because all of the appeals processes they have to go through is very expensive. There have been many studies that show that it can be around three-times more expensive to sentence someone to death rather than sentence them to life imprisonment. That is taxpayer’s dollars going to something that costs more and works considerably less. If the United States decides to stop the death penalty the U.S. taxpayers could be saved hundreds of m illions of dollars within the coming years and even save them billions in the next few decades. Killing someone for a crime they committed seems very barbaric in its nature. It is a rather regressive form of punishment and the United

Self Reflection And Correction On Social Work Practice Essay

Self-reflection and correction in social work practice is important for continued learning and professional development. Without self-awareness, social workers cannot separate their personal feelings, values, and attitudes from their professional. This is important because we need to focus on the needs of the client, not what we think they need. Knowing how to separate our personal feelings and values from our professional feelings and values will prevent us from getting burnout and help us maintain professional boundaries. My participation in Project Homeless Connect was a learning experience. Before my participation, I had assumed homelessness meant as living on the streets or in shelters without basic needs like food and clothing. These assumptions changed when I volunteered at PHC here in Rochester. There is a stigma of mental illness and drug use associated with homelessness and I have been guilty of looking the other way because I thought the same. What I realized that day is I had more in common with the people I encountered than I thought. I was familiar with many of the services offered that day. I personally know how hard it is to get those basic needs met and could have easily been in the same situation myself. I know what a difference having your basic needs met can do for you as an individual; I know how it feels to need and not have anywhere to turn. My personal experiences fuel my passion for social work. What I think would be best for someone may not beShow MoreRelatedCommunity-Based Corrections and Evidence-Based Practices1062 Words   |  4 Pagesbased corrections and the evidence based practices The residential community corrections facilities (RCCF) are now a common idea in the USA that directed at helping curb the rise in crime but at the same time decongesting the prisons as well as rehabilitation the deviants within the society. The residents live within the facility and not in their homes, they must also be employed or at least on part time jobs, the residents can also leave the facility at any time to go to verified work, the residentsRead MoreA Passage Of Roberta M. Gilberts1471 Words   |  6 Pagesrelationships. In order to have a purposeful life and a greater understanding of relationships, there are many crucial concepts that must be understood, three of them are differentiating a self in one’s family of origin, processing feelings, and empathetic listening. Differentiating Self in Family of Origin Differentiating self in one’s family of origin is one of the most crucial concepts needed in moving towards better functional relationships. 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Business Organization And Human Resource †MyAssignmenthelp.com

Question: Discuss about the Business Organization And Human Resource. Answer: Human Resource is considered as an essential resource of a business organization and human resource management plays an empirical role for the business entity in gaining competitive advantage. A few examinations have demonstrated that (HR) operations and activities affect the performance level and competitive strategies of a business corporation. Considering that human resource management (HRM) plays a strategic role for an entity (Managementstudyguide 2017). It is an operation within a business entity which is focused on selecting, overseeing and coordinating individuals who work in it. This idea oversees issues related to pay, execution organization, and advancement of an association, security, wellbeing, benefits, worker inspiration, preparing, and others. HRM has a key influence in managing people and the workplace culture and working conditions. If practical, the idea is equipped for contributing fundamentally to the association heading and the accomplishment of its destinations and objectives. The demonstration of HRM must be seen through the crystal of key goals for the business as opposed to a independent tint that takes a unit in light of a littler scale approach (Armstrong and Taylor, 2014). The idea here is to get a far reaching point of view towards HRM that provides a surety, that there are no piecemeal procedures and the HRM approach traps itself totally with those of the authoritative objectives. For instance, if the training requirements of the representatives are fundamentally met with last minute preparing on omnibus focuses, the firm stands to lose not simply from the time that the specialists spend in preparing yet, what's more, lost heading. Subsequently, the business corporation that considers its HRM approaches significantly will guarantee that training is based and focused on topical techniques. According to Therith, (2009), it has been cited that HRM is the primary division which pushes the association to meet the objective since it works with line manager, has a decent communication with all division in an association, know clear about association's objective and target. So HRM has been considered as critical to for gaining success. Moreover, Din et al., (2014), observed that numerous scientists have discovered a positive connection between executions of the business entity and HRM activities. An increase in the pressure has been observed in the corporate sector to embrace the HRM operations to upgrade execution and aggressiveness of business operations which utilizes many individuals. An employee's execution can be expanded contingent upon the treatment distributed to them by the organization. Returns of the HRM rehearses are noteworthy if speculation is made toward this path. It can have a positive effect in diminishing turnover and expanding the profitability and productivity of the organization. The author also stated that HRM practices decidedly affect the aptitudes, abilities, knowledge improvement, and inspiration and raise the maintenance of skilled workers (Rees and Smith, 2017). Additionally, the weak performers are expected to leave the business corporation. Performance appraisal, internal promotion f rameworks, and motivation remuneration framework are known to inspire workers to enhance performance level and make strides the overall execution of the firm. Numerous specialists have called attention to that HRM practices can be utilized to pick up upper hand over their rivals and enhance the execution of firms which incorporates arranging procedure, training and advancement program, enrollment and selection programs, performance evaluation framework, compensation policy etc. As per the overview executed by Brown et al., (2009), analysts proposed a three-angled part by which the impact of these mechanisms (i.e., high-consideration, unrivaled work structures, and various leveled obligation) on authoritative execution is guessed to happen and moreover the sorts of HR rehearses that would add to this segment. At first are the "human capital base", which is a get-together of HR available to the business company, for instance, capability of workforce, information, and potential. The organizations enrollment, choice, preparing, and improvement process are proposed to explicitly impact the human capital data. Second is the affiliation's capability to move their HR, which gets influenced by varied strategies including prize and work systems. The last base is representative commitment, work configuration; work frameworks and so forth are prescribed to impact how much labors have the opportunity to contribute. Furthermore, the author also noted that a model has been proposed in which three mediating factors would direct the impact of HRM Operations on the performance of a business organization (Ahmad, Zaman and Shah, 2015). Initially, he recommended that expertise and capacity (quality) would be influenced by recruitment, training and advancement, and nature of improvements events. Second, exertion/inspiration would be influenced by single status, professional stability, internal appraisal, and individualized incentive frameworks. At last, he proposed that part of framework and discernment (adaptability) would be influenced by interacting, employee engagement and contribution, team performance, job configuration, as well as adaptable job details. Moreover, arguments have been made by others that effective and creative HRM operations and activities will be tapping the dedication and determination of the workforce within the business corporation (Veloso, Tzafrir and Enosh, 2015). For instance, "Innovative and creative human resource activities and functionalities are probably going to add to economic performance after when the followed situations are met: when workforce have learning and aptitudes that managers need; when workforce are inspired to apply this expertise and learning through optional exertion; and when the company's business or manufacturing strategy must be accomplished when workforce contribute such optional exertion. In the limelight of the above-executed analysis, it has been reviewed that Human resource management is the vital concept which plays a crucial role in enhancing the productivity of an organization. References Managementstudyguide, 2017, Importance of HRM for organizational success, Assessed on 2ND September 2017, https://managementstudyguide.com/importance-of-hrm.htm. Therith, C.T, 2009, HRM, Assessed on 2nd September 2017, https://therith.files.wordpress.com/2011/05/the-importance-of-hrm-for-organizatioin.pdf. Din, S., Bibi, Z., Karim, J. and Bano, A., 2014. HRM Practices Can Do the Miracles: A Case Study of Pharmaceutical Companies.Pakistan Journal of Social Sciences (PJSS),34(2). Brown, J. Elliott, S. Hughes, J. Lyons, S. Mann, S. and Zdaniuk, A, 2009, Using Human Resource Management (HRM) Practices to Improve Productivity in the Canadian Tourism Sector, Assessed on 2nd September 2017, https://cthrc.ca/~/media/Files/CTHRC/Home/research_publications/productivity/HRM_Practices_Improve_ProductivitySept_EN.ashx. Armstrong, M. and Taylor, S., 2014.Armstrong's handbook of human resource management practice. Kogan Page Publishers. Veloso, A., Tzafrir, S. and Enosh, G., 2015. How employees perceive HRM practices: Differences between public and private organizations.Human resource management challenges and changes, pp.19-36. Ahmad, W., Zaman, N. and Shah, S.H., 2015. The role of HRM practices on employees commitment to organization in private sector Banks of Pakistan. A case study of District Abbottabad.International Journal of Research,2(2), pp.1288-1304. Rees, G. and Smith, P. eds., 2017.Strategic human resource management: An international perspective. Sage.

762000-219075 Essays - Foreign Relations, International Relations

762000-219075 Essay nuclear weapons have made the world a more dangerous place GROUP10 Hamad saeed AL shamsi (BSBAW - 171023) Hamad hadef Al shamsi (BSBAW - 171024 ) Khalifa ibrahim alhamadi (BSBAW - 171014 ) Does the spread of nuclear weapons make the world safer or more dangerous? Most people usually have an instinctive reply to this question: Of course, it makes things more dangerous. How could it not? It might seem surprising, therefore, that not all nuclear analysts agree, and the debate remains unresolved. Like so many of the issues relating to nuclear weapons, the debate is built largely on speculation and ambiguous historical experience. Nuclear weapons remain attractive to insecure or ambitious states. In regional rivalries such as the subcontinent, East Asia, and the Middle East, the bomb still has influence. Whatever else one has to say - and presumably not much has been left unsaid about the nuclear strategy of the past six decades - nuclear status still imparts extraordinary prestige and power. The nine current members of the nuclear weapon club still possess about 27,000 operational nuclear weapons of various types between them. At least another 15 countries have on hand enough highly enriched uranium for a nuclear weapon. Since 1945, many influential voices have expressed alarm that the spread of nuclear weapons will inevitably lead to world destruction. So far, that prediction has not been proved right. But is that because of effective efforts to stop the spread of nuclear weapons, or, to borrow a phrase from former Secretary of State Dean Acheson, after the Cuban Missile Crisis, just plain dumb luck'? Nuclear proliferation remains urgent not just because of the risk of a terrorist organization getting its hands on nuclear weapons, but because the proliferation of weapons necessarily means a proliferation of nuclear deterrents. Nuclear weapons have long been a force multiplier, able to make up for imbalances in conventional military power. Paradoxically, then, the unassailable lead of the United States in military power and technology might actually invite other nations to acquire the bomb as a way to influence or even deter American foreign policy initiatives. The lesson of the first Gulf War, one Indian general was reported as saying, is that you do not go to war with the United States without the bomb, the 2003 invasion of Iraq serving as yet another glossy advertisement of the protective power of a nuclear arsenal. This is not a new development. It is, in fact, a lesson American policymakers have been concerned about for some time, and one for which no easy solution seems likely. Bill Clinton's Secretary of Defense, Les Aspin, outlined the problem in December 1993: During the Cold War, our principal adversary had conventional forces in Europe that were numerically superior. For us, nuclear weapons were the equalizer. The threat to use them was present and was used to compensate for our smaller numbers of conventional forces. Today, nuclear weapons can still be the equalizer against superior conventional forces. But today it is the United States that has unmatched conventional military power, and it is our potential adversaries who may attain nuclear weapons. Accordingly, Aspin concluded, the United States could wind up being the equalized. To take an earlier example, John F. Kennedy acknowledged in the wake of the Cuban Missile Crisis that even a small number of nuclear weapons could deter even the most powerful states. A central element of the proliferation debate revolves around the perceived effectiveness of nuclear deterrence. If deterrence works reliably, as optimists argue, then there is presumably less to be feared in the spread of nuclear weapons. But if nuclear deterrence does not work reliably, pessimists maintain, more nuclear weapons states will presumably lead not just to a more complicated international arena but a far more dangerous one. Some analysts have made a compelling case that the fear of nuclear proliferation, or the spread of nuclear weapons, has been exaggerated. Some go even further and argue that proliferation may actually increase global stability. It is an argument peculiar to nuclear weaponry, as it does not apply and is not made with regard to other so-called weapons of mass destruction such as chemical and biological weapons. Nuclear weapons are simply so destructive, this

Attachment Theory

Attachment Theory Introduction This paper reports on the attachment theory and how life experience affects one’s emotional attachment to others. Attachment theory advanced by John Bowlby in the early 1950s, seeks to explain how early life relations affects an individual’s emotional bonding in future Hutchison (89). Advertising We will write a custom essay sample on Attachment Theory specifically for you for only $16.05 $11/page Learn More The theory gives an understanding of the different personalities as relates to emotional relationships. The theory was first focused on the relationship between children and their parents, but was later expanded to look at the whole lifespan. The theory looks at ones attachment as being influenced by both psychological conditions and the social environment. The Attachment Theory and Life Experiences According to the proponents of the attachment theory, children develop a bond with their caregivers, which grow into an emotional bond. Further research on the theory indicates that life experiences in childhood direct the course of one’s personality as well as the social and emotional development throughout his or her life. Besides the explanation advanced by the theory regarding the connection between a baby and its mother or a care giver, the theory also seeks to explain the attachment between adults Hutchison (43). Among adults, an emotional attachment is felt more especially during bereavement or separation of spouses. Babies are born without the ability to move or feed themselves. They depend on care givers to for these needs; they however have pre-programmed set of behavior that comes into action due to the environmental stimuli. Environmental stimuli may trigger a sense of fear or distress in the baby making it cry for help from the mother or the care giver. The protection or comfort offered to the baby makes it develop a stronger emotional bond with the mother and others who are closer to it. Children grow to relate comfort from distress to the people who are close to them during their early stages of development. The nature of the environment a child grows in, together with the â€Å"psychological framework builds up a child’s internal working model† Hutchison (52). The internal working model comprises of the development of expectations that an individual perceives in social interactions. The theory explains the effect of challenging parenting such as; neglect or abuse. Parents and caregivers should endeavor to develop an environment that makes children feel secure and comfortable. Advertising Looking for essay on psychology? Let's see if we can help you! Get your first paper with 15% OFF Learn More The type of relationship parents establish with their children at their early stages of development determines the type of emotional attachment a child develops with them. A child who grows up in a loving and sensitive environment deve lops secure relationships in with others. Such a child grows to recognize others as being caring, loving and reliable. They also develop high self esteem and learn to deal with negative feelings. Research indicates that people who grow up in secure attachment relationships are able to demonstrate good social aptitude throughout their life. On the contrary, children brought up in unsecure environment develop an avoidant attachment. An unsecure environment to children is often characterized by fear, anxiety and rejection. This type of environment makes a child make children to downplay their emotional feelings. There is a group of children who grow up with care givers that are not consistent in responding to their emotional needs. Their care givers are sometimes sensitive, and sometimes insensitive to their feelings. Such children develop â€Å"an attachment seeking habit as they try to conquer the insensitivity of their caregivers† Hutchison (34). This sort of behavior by c hildren is referred to as ambivalent attachment, where the children seek to compensate for the inconsistent responsiveness by the caregiver. Such a child tries to manage other people’s attention through behavior sets such as; seduction, bullying rage and necessity. Hutchison, Elizabeth. Dimensions of human behavior: The changing life course. 4th Ed. Thousand oaks, CA: Sage publications, 2011. Print