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A new methodology extends the study of serial pattern learning to nonhuman organisms by constructing patterns using elements that are both familiar and motivationally meaningful to animals. Two experiments examine the ability of rats to anticipate various quantities of food as measured by running times in a runway when the quantities occur in a serial order. In Experiment 1, a serial monotonic pattern (14-7-3-1-0 food pellets) produced more rapid learning and more accurate anticipation of the various quantities (“tracking”) than a serial nonmonotonic pattern (14-1-3-7-0 food pellets), particularly with respect to the final 0-pellet element. In Experiment 2, the same monotonic pattern generated faster learning and more accurate anticipation of pattern elements than a weakly monotonic pattern (14-5-5-1-0 pellets). Associative explanations including simple excitatory or inhibitory effects, temporal anticipation, reinforcement contrast, and the number and discriminability of pairwise associations are not adequate to account for the data. Rather, the formally defined structural complexity of each pattern adequately predicts its relative difficulty. 相似文献
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Michael T. McKay James R. Andretta Noah R. Padgett Jon C. Cole 《International journal of psychology》2020,55(6):901-906
Using data from a longitudinal study, the present study employed a latent class mover-stayer analytical strategy to examine both the cross-sectional and longitudinal (+33 months) relationship between membership of stress classes, and subjective life expectancy. Participants were from 21 High schools in Scotland and Northern Ireland. Data were collected in the first year of High school (mean age = 12.5 years), and at +33 months (fourth year, or school year 11). Sample 1 consisted of 1171 adolescents (40.82% females, 2.56% unreported) in Northern Ireland. Sample 2 consisted of 1059 adolescents (52.79% females, 1.32% unreported) in Scotland. Adolescents with the lowest levels of stress projected the highest subjective life expectancy scores. Longitudinal analyses were jumbled and not in keeping with cross-sectional results. More research may be needed on the trajectory of subjective life expectancy over time before it can be depended upon as a reliable outcome variable in adolescent development. 相似文献
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Watowich Marina M. MacLean Evan L. Hare Brian Call Josep Kaminski Juliane Miklósi Ádám Snyder-Mackler Noah 《Animal cognition》2020,23(4):795-805
Animal Cognition - Across mammals, increased body size is positively associated with lifespan. However, within species, this relationship is inverted. This is well illustrated in dogs (Canis... 相似文献
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Christine J. Yeh Noah E. Borrero 《Journal of multicultural counseling and development》2012,40(4):227-239
The authors evaluated a health careers program in a U.S. urban public high school. After small subgroups of the original sample were removed, participants included 162 Asian American and Pacific Islander students. Analyses of covariance indicated that, compared with the comparison group, the treatment group reported significantly higher levels of social support, school engagement, interest in learning, vocational expectations, and ethnic identity. Implications for multicultural counseling in schools are discussed. Los autores evaluaron un programa de carreras sanitarias en una escuela secundaria pública de Estados Unidos. Tras la eliminación de pequeños subgrupos de la muestra original, los participantes incluyeron 162 estudiantes Asiático‐Americanos e Isleños del Pacífico. Los análisis de covarianza indicaron que, comparado con el grupo de comparación, el grupo de tratamiento expresó unos niveles significativamente mayores de apoyo social, participación escolar, interés en el aprendizaje, expectativas vocacionales e identidad étnica. Se discuten las implicaciones para la consejería multicultural en escuelas. 相似文献
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In two experiments, we investigated the influence of repeated processing in the context of the generation effect. In both experiments, participants studied words once or twice. Once-studied words either were read or were generated from a definition. Twice-studied words were read both times, generated both times, or read once and generated once. Free recall was best (in order of decreasing performance) after generating twice, after generating plus reading, and finally after generating once; any generation was better than purely reading. Recognition showed a similar pattern, except that the benefit of generating twice was not as striking as in recall and that reading plus generating was just as effective as generating twice. The overall pattern of results is accounted for by a simple model in which a second encoding results in a reminding of the first encoding, and this additional encoding supports subsequent recollection. This reminding is, consequently, more effective in recall than in recognition, and it operates in accordance with the principles of transfer-appropriate processing. 相似文献
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What does it mean to compare sets of objects along a scale, for example by saying “the men are taller than the women”? We explore comparison of pluralities in two experiments, eliciting comparison judgments while varying the properties of the members of each set. We find that a plurality is judged as “bigger” when the mean size of its members is larger than the mean size of the competing plurality. These results are incompatible with previous accounts, in which plural comparison is inferred from many instances of singular comparison between the members of the sets (Matushansky &; Ruys, 2006). Our results suggest the need for a type of predication that ascribes properties to plural entities, not just individuals, based on aggregate statistics of their members. More generally, these results support the idea that sets and their properties are actively represented as single units. 相似文献