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191.
Burrton Woodruff Dennis L. Jennings Nicholas L. Rico 《Attention, perception & psychophysics》1975,18(2):98-104
In the method of constant stimulus differences, results obtained under two presentation orders (standard first and standard second) are commonly combined to eliminate time error. The present study shows that this technique is not adequate for controlling time error as the presentation orders have differential effects upon PSE. Using a two-handed technique, 96 subjects judged lifted weights on the comparative rating scale. The subjects lifted the standard before, with, or after the variable stimulus. They also either judged the standard in terms of the variable or the variable in terms of the standard (mode of judgment). Judgment mode, a previously uninvestigated confounding variable of presentation order was not an important factor in influencing the value of the PSE. 相似文献
192.
Ronald Allan Cole Ralph Norman Haber Bruce Dennis Sales 《Attention, perception & psychophysics》1973,13(1):87-92
An attempt was made to examine the manner in which consonants and vowels are coded in short-term memory. under identical recall conditions. Ss were presented with sequences of consonant-vowel digrams for serial recall. Sequences were composed of randomly presented consonants paired with/a/ or randomly presented vowels paired with /d/. Halle’s distinctive feature system was used to generate predictions concerning the frequency of intrusion errors. among phonemes. These predictions were based on the assumption that phonemes are discriminated in memory in terms of their component distinctive features, so that intrusions should most frequently occur between phonemes sharing similar distinctive features. The analysis of intrusion errors revealed that each consonant and vowel phoneme was coded m short-term memory by a particular combination of distinctive features which differed from one phoneme to another. A given phoneme was coded by the same set of distinctive features regardless of the number of syllables in the sequence. However, distinctive feature theories were not able to predict the frequency of intrusion errors for phonemes presented in the middle serial positions of a sequence with 100% accuracy. The results of the experiment support the notion that consonant and vowel phonemes are coded in a similar manner in STM and that this coding involves the retention of a specific set of distinctive features for each phoneme. 相似文献
193.
Dennis E Mithaug 《Journal of experimental child psychology》1973,16(1):76-90
This study identified events in the competitive process that could be employed to discriminate between competition and individual, non-social behaviors. When children competed they overtly sought out information on how they were doing vis-à-vis their fellow competitor. In addition, their performance was a function of some competitive contingency: a reward for surpassing another. The procedures developed in this study were designed to manipulate competitive contingencies while observing their effects on task performance and social comparisons. The investigator could thus infer that competition was present when (1) subjects sought out information on how they were doing, as well as how another was doing on comparable tasks during competitive contingencies, and (2) their task performance was a function of the competitive contingency. 相似文献
194.
Previous studies have shown that distraction may either increase or decrease attitude change. The present experiment, designed to reconcile earlier findings, was based on the hypothesis that distraction should interfere with message reception but also increase yielding to the message. Distraction should thus increase attitude change to a simple message (one which is easily understood but not very convincing), but decrease attitude change to a complex message (one which is difficult to understand but convicing if understood). Subjects beard messages on two topics, sometimes while distracted by a tape recording of music and sometimes not. Message complexity was successfully manipulated for one of the topics. The results support a model of attitude change which considers the effects of independent variables on both reception and yielding. 相似文献
195.
Psychometric functions were determined for the discrimination of weak solutions of quinine hydrochloride or of hydrochloric acid from distilled water. The slopes of these functions were compared with those of some functions previously determined for sodium chloride and for sucrose. In general, the functions for QHCl were the least steep and those for NaCl were the most steep, but the differences were not great. Thus, it appears that the psychometric functions for these different taste qualities have substantially the same form, even though absolute sensitivity varies over several orders of magnitude. 相似文献
196.
Elena Ivanova Noa Yaakoba-Zohar Dennis Jensen Jamie Cassoff Bärbel Knäuper 《Current psychology (New Brunswick, N.J.)》2016,35(1):108-114
The current study evaluated the long-term effectiveness of acceptance and commitment therapy (ACT) for promoting exercise behavior in comparison with planning in the form of implementation intentions (forming situational cues and action plans as to when, where, and how to incorporate exercise). We expected both interventions to increase exercise behavior (assessed using the Godin Leisure-Time Exercise Questionnaire; Godin and Shephard 1985) from baseline to 6-months post-intervention, but expected only ACT to also increase exercise enjoyment (assessed using the Physical Activity Enjoyment Scale; Kendzierski and DeCarlo 1991). A total of 32 women, randomized to receive a single session of either ACT training or instructions to form implementation intentions for exercise activities, took part in this study. The participants were contacted by email 6-months following the intervention to determine the amount of self-reported exercise. As expected, exercise amount increased in both groups. Contrary to our expectations, both groups also increased in exercise enjoyment. This study provides initial evidence that exercising can be increased through an ACT intervention. ACT and implementation intentions may both be effective and brief interventions for promoting exercise behavior and exercise-related enjoyment in low-active women. Future research needs to establish the psychosocial and personality factors that lead to the effectiveness of ACT and implementation intentions. 相似文献
197.
The Use of Social Psychology in Rural Development? Two Readings of Rural Business Owners' Values 下载免费PDF全文
Miira Niska Hannu T. Vesala Kari Mikko Vesala 《Journal of community & applied social psychology》2016,26(6):581-595
Rural development refers to diverse attempts being made to address the problems of rural communities. In Finland, rural development leans heavily on entrepreneurship and small business development. Rural development processes have a strong social psychological component that entails that psychological knowledge is crucial for rural development agents. Nevertheless, psychological knowledge has also been criticised for simplifying highly complex development processes and overstating the role of internal psychological factors. In this paper, we argue that, regarding the relevance and utility of psychological knowledge, the question is not only how extensively different factors are taken into account but also how knowledge about psychological factors is read and interpreted. In this paper, we focus on Finnish rural business owners' values and demonstrate that value survey data can be read from two different social psychological perspectives: those of substantialism and relationalism. Although data and the conducted analyses are kept constant, the two readings produce differing types of knowledge of rural business owners' values; one reveals what business owners ‘truly’ are like and the other informs how to best communicate with business owners. Both readings are potentially useful for rural development work. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
198.
Chin-Chih Chen Dennis P. Culhane Stephen Metraux Jung Min Park Jessica C. Venable 《Journal of child and family studies》2016,25(4):1066-1075
This longitudinal study explores heterogeneity of middle school students by identifying subgroups of youth characterized by distinct truancy trajectories and by determining disability profiles that distinguish these subgroups. Participants comprised an entire 7th through 9th grade student population, with approximately 58,000 students, in a large urban school district. Latent class growth analysis was used to identify subgroups of truant youth. This analysis yielded five distinct truant subgroups: Very-Low (37 %), Low (43.4 %), Declining (3.3 %), Rising (12.8 %), and Chronic (3.6 %). Further, differential disability profiles were found in each subgroup with the control of demographic characteristics (i.e., gender, race/ethnicity, free/reduced lunch, Limited English Proficiency, grade, and prior school absences), students with serious emotional disturbance and learning disabilities demonstrated amplified risks of being classified in the Chronic or Rising subgroups, which show chronic or incremental upward truant trajectories over time. These findings are discussed in terms of their implications for future research. 相似文献
199.
Elizabeth A. Yeater Tim Hoyt Kari A. Leiting Gabriela Lopez 《Journal of psychopathology and behavioral assessment》2016,38(4):666-680
This study evaluated the association between sexual victimization history, posttraumatic stress symptoms, and women’s decision making in social situations, and whether ethnicity moderated these associations. Participants were 334 undergraduate women between ages 18 and 24. The sample was diverse ethnically (Non-Hispanic white, n = 177; Hispanic, n = 157) and composed primarily of freshman, single women. Stimuli were written vignettes describing social situations that varied in their degree of victimization risk. Participants completed tasks that assessed their ability to generate and select responses to the situations, as well as their perceived efficacy in executing responses. They then completed the Sexual Experiences Survey to quantify the severity of victimization experiences and the PTSD Checklist – Civilian Version to measure symptoms of posttraumatic stress. Structural equation modeling (SEM) of women’s decision making revealed that more severe victimization history and greater posttraumatic stress symptoms were associated with less effective response generation, and greater posttraumatic stress symptoms was associated with reduced perceived efficacy in executing effective responses. Ethnicity also moderated the effect of victimization history on perceived efficacy. For Non-Hispanic White women, more severe victimization history was related to less effective response generation and perceived efficacy when considering responses, while for Hispanic women, victimization history was unrelated to both decision making processes. This study emphasizes the importance of decision making as it relates to women’s victimization risk. These processes, as well as the influence of ethnicity on women’s decision making, appear relevant to consider when developing preventative interventions for college women. 相似文献
200.
Beatrice G. Kuhlmann C. Dennis Boywitt 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2016,23(4):477-498
In a previous study, we found source memory for perceptual features to differentiate between younger but not older adults’ reports of recollective (“remember”; R) and “know” (K) experiences. In two experiments with younger (17–30 years) and older (64–81 years) participants, we examined whether memory for meaningful speaker sources would accompany older adults’ recollective experience. Indeed, memory for male and female speakers (but not partial memory for gender; Experiment 1) as well as bound memory for speakers and their facial expressions (Experiment 2) distinguished between both younger and older adults’ RK reports. Thus, memory for some sources forms a common basis for younger and older adults’ retrieval experience. Nonetheless, older adults still showed lower objective source memory and lower subjective source-attribution confidence than younger adults when reporting recollective experiences, suggesting that source memory is less relevant to their retrieval experience than for younger adults. 相似文献