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91.
Kroll NE Yonelinas AP Dobbins IG Frederick CM 《Journal of experimental psychology. General》2002,131(2):241-254
A fundamental challenge to psychological research is the measurement of cognitive processes uncontaminated by response strategies resulting from different testing procedures. Test-free estimates of ability are vital when comparing the performance of different groups or different conditions. The current study applied several sets of measurement models to both forced-choice and yes-no recognition memory tests and concluded that the traditional signal-detection model resulted in distorted estimates of accuracy. Two-factor models were necessary to separate memory sensitivity from response bias. These models indicated that (a) memory accuracy did not differ across the tests and (b) the tests relied on the same underlying memory processes. The results illustrate the pitfalls of using a single-component model to measure accuracy in tasks that reflect 2 or more underlying processes. 相似文献
92.
A sizeable amount of research literature has failed to demonstrate a stable relationship between self-report and the Rorschach (Exner, 1993). However, principal component first-factor related test-interaction style has been shown to moderate convergence. In this study 78 psychiatric patients completed the Rorschach and the Minnesota Multiphasic Personality Inventory-2 (MMPI-2; Hathaway & McKinley, 1989). Practically no correlation was evident between the MMPI-2 and the Rorschach, measuring similar constructs, in all patients. Patients with similar test-interaction styles demonstrated positive intermethod correlations between both conceptually related and conceptually not directly related test indexes. The same scales were negatively correlated in patients with discordant test-interaction styles, and this difference between test-interaction style groups was significant. It is suggested that first-factor related test-interaction style moderates convergence. It is further suggested that test-interaction style moderates convergence between both conceptually related and conceptually not directly related measures of distress or psychopathology. 相似文献
93.
The competition-among-relations-in-nominals theory of conceptual combination: implications for stimulus class formation and class expansion 总被引:3,自引:0,他引:3
Gagné CL 《Journal of the experimental analysis of behavior》2002,78(3):551-565
One way in which new concepts are added to the conceptual system is through conceptual combination. The competition-among-relations-in-nominals (CARIN) theory (Gagné & Shoben, 1997) proposes that conceptual combination involves specifying a thematic relation (e.g., noun MADE OF modifier) to link the constituent concepts (e.g., chocolate and bee). This theory claims that relations have different strengths for various concepts that correspond to how often a modifier and relation have been paired in previous encounters with combined concepts and that this relational knowledge strongly affects the ease with which combined concepts can be formed. A mathematical model that incorporates key claims of the theory is presented, and empirical findings that are relevant to evaluating the CARIN theory are reviewed. The parallels between the CARIN theory and approaches to stimulus class formation are also discussed. 相似文献
94.
Relationships between frequency of computer use or ability to use the computer effectively with the tendency to construct and process visual mental images were investigated by administering a computer-use questionnaire and a visualization questionnaire to a sample of 185 Italian and Spanish undergraduates. Analysis did not support associations between either (a) frequent computer use of any kind or (b) high competence in using the computer for various purposes and spontaneous use of imagery. 相似文献
95.
We analyzed detection asymmetry, using openand closed squares as target and contextelements. It was found that varying density, regularity, and target eccentricity not only can modulate the amount of asymmetry, but also can produce a reversal in the direction of the asymmetry. The results suggest that the different stimuli are processed with different grains of analysis,consisting of in some cases, single elements and their properties and, in other cases, larger units of the stimulus array and more globalproperties. A detection task that can utilize the properties that are available with a given grain of analysis would show an advantage over a task for which the given grain of analysis is not as favorable, resulting indetection asymmetry in one direction or another. 相似文献
96.
Previous recognition memory studies indicate that when both recollection and familiarity are expected to contribute to recognition performance (e.g., discriminating studied items from nonstudied items) the dual-process and the unequal-variance signal detection models provide comparable accounts of performance. When familiarity is not expected to be useful (e.g., when items from two equally familiar sources are discriminated between), the dual-process model provides a significantly better account of performance. In the present study, source recognition was tested under conditions in which familiarity could have been used to perform a list-discrimination task; participants were required to discriminate between strong studied items, weak studied items, and new items. The dual-process model provided a better account of performance than did the unequal-variance model. Moreover, the results indicated that the unequal-variance assumption in a single-process signal detection model was not a valid substitution for recollection and that recollection was used to make recognition judgments even when assessments of familiarity were useful. 相似文献
97.
Gagné CL 《Brain and language》2002,81(1-3):723-735
To interpret a novel compound (e.g., chocolate twig), one must access the concepts denoted by the words and select a relation that links them together. To examine the role of lexical and relation information on conceptual combination, target combinations were preceded by one of three prime combinations. In Experiment 1, the prime used a semantically similar head noun and either the same or different relation. The third prime was semantically unrelated to the target. Experiment 2 was identical, except the modifier was the semantically related constituent. Although semantic priming was observed in both experiments, relation priming was obtained only when the modifier was similar. 相似文献
98.
We examine the hypothesis that the efficiency of executive control processes is less stable over time in older than younger adults. An age-related decrease in the efficiency of executive control should result in an increase in performance variability in task conditions requiring the recruitment of executive control processes and not in task conditions requiring minimal involvement of executive control. Performance variability was similar for younger and older adults in task conditions requiring minimal executive control and greater for older than younger adults in task conditions requiring executive control. These and other data are consistent with the proposal that aging is associated with a decrease in the stability of executive control over time. 相似文献
99.
We review recent discoveries that implicate oxytocin in the intergenerational transmission of similar levels of maternal behavior and acute stress responses in female rats. First, ICV-infused oxytocin antagonist decreased the display by nursing dams of pup-licking (PL) and arched-back nursing (ABN), but not other components of maternal behavior, and increased maternal self-grooming suggesting that oxytocin may shift the balance of oral grooming by dams away from themselves and toward pups. Second, oxytocin receptor concentrations in areas of the adult brain where oxytocin stimulates maternal behavior or diminishes anxiety and adrenal axis responses to acute stress were positively related to PL-ABN received during infancy. Third, oxytocin and oxytocin antagonist treatments of pups on postnatal days 2-10, respectively increased and decreased PL by the treated rats when adult and themselves nursing dams. This indicates that oxytocin activity in female pups, which may be regulated by PL-ABN received from their mothers, influences their adult levels of PL. These three lines of evidence suggest that oxytocin selectively enhances PL-ABN by rat dams, which then increases oxytocin activity in female pups and, thereby, facilitates their expression of central oxytocin receptors (and perhaps other aspects of central oxytocin systems) and, consequently, their adult PL-ABN frequencies and acute stress responses. 相似文献
100.