Toward a career development model for postbaccalaureate premedical programs: from theory to practice

The purpose of this study was to assess the career maturity of 168 minority and disadvantaged premedical students upon entry into a medical education preparatory program. All took the Medical Career Development Inventory as a pre-assessment in the course. Students' scores identified three instructional groups: on, below, and above instructional level. A model for career intervention for postbaccalaureate premedical programs is presented.     

Prospect relativity: how choice options influence decision under risk

In many theories of decision under risk (e.g., expected utility theory, rank-dependent utility theory, and prospect theory), the utility of a prospect is independent of other options in the choice set. The experiments presented here show a large effect of the available options, suggesting instead that prospects are valued relative to one another. The judged certainty equivalent for a prospect is strongly influenced by the options available. Similarly, the selection of a preferred prospect is strongly influenced by the prospects available. Alternative theories of decision under risk (e.g., the stochastic difference model, multialternative decision field theory, and range frequency theory), where prospects are valued relative to one another, can provide an account of these context effects.     

Interference processes in monkey auditory list memory

A rhesus monkey’s memory was tested for single items and four-item lists of natural and environmental sounds. Memory items were presented from a center speaker, followed by a retention delay and then a choice response to a test sound presented simultaneously from two side speakers. Recognition of the last item of four-item lists was much poorer than that of single items at 0-, 1-, and 2-sec delays, despite there being the same temporal relations between study and test. This result showed that the first three items proactively interfered with memory of the last list item. Proactive interference dissipated after 2 sec, revealing a recency effect that eventually equaled single-item performance. Recognition of the first item of four-item lists was much poorer than single items at 20- and 30-sec delays, showing that the last three items retroactively interfered with memory of the first list item. The results point to the critical nature of interference processes in the understanding of serial position functions.     

Feeling at home in one's school: a first look at a new measure

We report on the development of the Hospitality Scale, which measures two aspects of adolescents' perception of social capital in school-the extent to which they perceive that they have social capital and the extent to which they provide social capital to others. The scale was developed in reference to the literature exploring adolescent social isolation and social tolerance, as well as constructs developed in research on adults, especially related to psychological sense of community and collective efficacy. We examine the reliability of the scale and the association between scale scores and behavioral factors that may reflect social isolation.     

Born unwanted. Observations from the Prague Study

The authors followed 220 children born in 1961-1963 to women twice denied abortion for the same pregnancy in Prague (Czech Republic) and 220 pair-matched controls, whose mothers were pair-matched for age and socioeconomic status and the partner's presence in the home. They were medically, psychologically, and socially assessed at ages 9, 14-16, 21-23, 30, and 35. Although differences in psychosocial development between the unwanted study participants and pair-matched controls were not dramatic and changed over time, the differences were consistently in disfavor of the unwanted pregnancy participants. When siblings were used as controls, the findings supported the hypothesis that being born from an unwanted pregnancy is a risk factor for poor mental health in adulthood.     

Progressing from programmatic to discovery research: a case example with the overjustification effect

Scientific research progresses along planned (programmatic research) and unplanned (discovery research) paths. In the current investigation, we attempted to conduct a single-case evaluation of the overjustification effect (i.e., programmatic research). Results of the initial analysis were contrary to the overjustification hypothesis in that removal of the reward contingency produced an increase in responding. Based on this unexpected finding, we conducted subsequent analyses to further evaluate the mechanisms underlying these results (i.e., discovery research). Results of the additional analyses suggested that the reward contingency functioned as punishment (because the participant preferred the task to the rewards) and that withdrawal of the contingency produced punishment contrast.     

The effects of associations and aging on illusory recollection

Younger and older adults (mean years = 20.5 and 75) studied lists of associated words for a final recognition test. The length (5, 10, or 15 associates) and modality (auditory or visual) of study lists were manipulated within subjects. For both groups, increasing the number of associates increased illusory recollections of a related lure's presentation (measured by source judgments and the Memory Characteristics Questionnaire). This pattern suggests that associative activation of the lure influenced illusory recollection, and aging spared this process. In contrast, age impaired the recollection of source for studied words (auditory or visual) and had identical effects on source attributions for related lures. This pattern suggests that the true recollection of source influenced illusory recollection of source, and age impaired this process. To account for these and other results, we propose that associative activation drives an attribution process that binds subjectively detailed features to a false memory.