Psychology Case Studies On Personality

Psychology Case Studies On Personality-58
Short case-studies may be used; however for a more profound understanding of these conditions, a deeper look into the cases is necessary. Written by four professors, each case outlines the events leading up to the patient initiating therapy, the patient’s family and social history, the treatment, the discussion of the condition and etiological considerations.These in depth cases make excellent options for psychology students looking for some data to include in essays and presentations.

In this case the median or the mode is a better indicator of central tendency than is the mean. You can see from Figure 3.6 that the mode for the family income variable is $93,000 (it occurs four times).

In addition to summarizing the central tendency of a distribution, descriptive statistics convey information about how the scores of the variable are spread around the central tendency.

Each of the four coding categories is scored by the coder from 1 (the baby makes no effort to engage in the behaviour) to 7 (the baby makes a significant effort to engage in the behaviour).

More information about the meaning of the coding can be found in Ainsworth, Blehar, Waters, and Wall (1978). The distribution of the heights of the students in a class will form a normal distribution.

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For further information, including about cookie settings, please read our Cookie Policy .Although it appears from Figure 3.6 that the central tendency of the family income variable should be around ,000, the mean family income is actually 3,960.The single very extreme income has a disproportionate impact on the mean, resulting in a value that does not well represent the central tendency. The distribution of family incomes is likely to be nonsymmetrical because some incomes can be very large in comparison to most incomes.Consider, for instance, the variable of family income (see Figure 3.6), which includes an outlier (a value of ,800,000).In this case the mean is not a good measure of central tendency.Another well-known case study is Phineas Gage, a man whose thoughts and emotions were extensively studied by cognitive psychologists after a railroad spike was blasted through his skull in an accident.Although there are questions about the interpretation of this case study (Kotowicz, 2007), it did provide early evidence that the brain’s frontal lobe is involved in emotion and morality (Damasio et al., 2005).Sometimes case studies involve ordinary individuals, as when developmental psychologist Jean Piaget used his observation of his own children to develop his stage theory of cognitive development.More frequently, case studies are conducted on individuals who have unusual or abnormal experiences or characteristics or who find themselves in particularly difficult or stressful situations.Sometimes the data in a descriptive research project are based on only a small set of individuals, often only one person or a single small group.These research designs are known as case studies — .

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