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John, Dennis; Lang, Frieder R. – Developmental Psychology, 2015
Most people believe that time seems to pass more quickly as they age. Building on assumptions of socioemotional selectivity theory, we investigated whether awareness that one's future lifetime is limited is associated with one's experience of time during everyday activities across adulthood in 3 studies. In the first 2 studies (Study 1: N = 608;…
Descriptors: Older Adults, Young Adults, Time Perspective, Comparative Analysis
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Lückmann, Katrin; Menzel, Susanne – Journal of Biological Education, 2014
The study reports on species knowledge among German adolescents (n = 507) as: (1) self-assessed evaluation of one's species knowledge; and (2) factual knowledge about popular local herbs and trees. Besides assessing species knowledge, we were interested in whether selected demographic factors, environmental attitude (as measured through the New…
Descriptors: Foreign Countries, Plants (Botany), Adolescents, Knowledge Level
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Mustafic, Maida; Freund, Alexandra M. – International Journal of Behavioral Development, 2013
Two studies examined the hypothesis that the evaluation of developmental stability changes across adulthood. Results of Study 1 ("N" = 119) supported the expectation that older adults ("M"[subscript age] = 65.29 years)--compared to younger ("M"[subscript age] = 23.38 years) and middle-aged adults…
Descriptors: Age Differences, Hypothesis Testing, Developmental Stages, Adults
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Stoessel, Katharina; Ihme, Toni A.; Barbarino, Maria-Luisa; Fisseler, Björn; Stürmer, Stefan – Research in Higher Education, 2015
Current higher education is characterized by a proliferation of distance education programs and by an increasing inclusion of nontraditional students. In this study we investigated whether and to what extent nontraditional students are particularly at risk for attrition (vs. graduating) from distance education programs. We conducted a secondary…
Descriptors: Foreign Countries, Higher Education, Distance Education, Nontraditional Students