A study to determine the effectiveness of the personalized system of instruction format used in the introductory economics course at Empire State College is reported. Also addressed are the ability of adult students in the personalized system to learn as much as students in conventional settings, and the explaining and predicting of adult…

Maintains that the equal marginal value principle may not be optimal in the analysis of the cost-effectiveness of policies to reduce auto emissions, the economics of garbage disposal, and the economics of pollution abatement. Argues that examining these exceptions can help students understand the equal marginal value principle. (MJP)

Torrance's longitudinal study predicting adult creative achievement was reexamined employing a multiple regression analysis. Application to 211 cases found that 4 predictors explained 49% of the total variance in adult creative achievement. They were creativity test score, childhood future career image, intelligence test score, and the existence…

This study examined whether differences exist in the adjustment of young adults in community settings across levels of mental retardation for four dependent variables, using parametric multivariate analysis of variance, nonparametric multivariate analysis of variance, multiple nonparametric analyses of variance, and multinomial logistic…

A study investigating variables in Canadian Chief Executive Officers' use of information sources to scan external business environments is reported. Findings show that frequency of source use correlates to perceived uncertainty and that source quality is more important than source accessibility--a finding that contradicts past user studies. (28…

Examined the impact of a series of common stressful life events (SLEs) on change in depressive symptoms among the elderly of the Hong Kong Chinese Society. Using multiple regression models, it was found that sense of control acted as a mediator in the linkage between the number of SLEs and depressive symptoms. Findings suggest that sense of…

This study investigates the way collaborative learning that occurs primarily outside the classroom affects college students' understanding of science. Collaborative learning is particularly important for the increasing number of nontraditional students who have limited time available for study groups and other peer learning activities occurring…

Based on the psychology theory and the leadership definition, the author designed questionnaires of psychological constructs of learning and leadership characters to investigate the correlation between four psychological constructs of learning and leadership characters and to inquire into whether changing students' psychological constructs of…

This study compared the social-emotional implications of academic achievement for students with and without learning disabilities (LD) and identified predictors of effort investment. Students with LD showed lower levels of achievement, effort investment, academic self-efficacy, sense of coherence, positive mood, and hope, and higher levels of…

Changes in consonant and syllable-level error patterns of three children diagnosed with childhood apraxia of speech (CAS) were investigated in a 3-year longitudinal study. Spontaneous speech samples were analyzed to assess the accuracy of consonants and syllables. Consonant accuracy was low overall, with most frequent errors on middle- and…

The purpose of this study was to advance knowledge of dating violence behaviors among adolescent victims of child sexual abuse (CSA), first, by determining the prevalence of psychological and physical dating violence and the reciprocity of violence, and second, by investigating the influence of certain CSA characteristics to dating violence.…

Exercise prescription guidelines emphasize the importance of individual preferences for different intensities, but such preferences have not been studied systematically. This study examined the hypothesis that the preference scale of the Preference for and Tolerance of the Intensity of Exercise Questionnaire would predict self-selected exercise…

This article assesses the impact of religiosity on Christian leadership orientations. The theoretical model is taken from the study of Shee, Ji, and Boyatt (2002), which presupposes that quest religiosity is inversely related to the structured, human resource, political, and symbolic leadership frames, while intrinsic and extrinsic religiosity are…

This study examined sleep patterns, sleep problems, and their correlates in children with autism spectrum disorders (ASD). Subjects consisted of 167 ASD children, including 108 with autistic disorder, 27 with Asperger's syndrome, and 32 with other diagnoses of ASD. Mean age was 8.8 years (SD = 4.2), 86% were boys. Parents completed a…

This study assessed the theory of mind (ToM) and executive functioning (EF) abilities of 124 typically developing preschool children aged 3 to 5 years in relation to whether or not they had a child-aged sibling (i.e. a child aged 1 to 12 years) at home with whom to play and converse. On a ToM battery that included tests of false belief,…