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71.
Daly EJ Bonfiglio CM Mattson T Persampieri M Foreman-Yates K 《Journal of applied behavior analysis》2005,38(4):485-497
Experimental analyses for improving reading fluency deficits have rarely targeted generalized increases in academic responding. As a consequence, the variables that may help students to generalize newly learned forms of academic responding like reading are not well understood. Furthermore, experimental analyses of reading fluency interventions have not systematically examined difficulty level as a variable that may affect instructional outcomes. The experiment reported in this paper expands (a) the measurement of the dependent variables to include generalized increases across tasks (reading passages) and (b) the combination of independent variables used to produce measurable generalized increases. The results demonstrate the importance of combining reward and instructional variables (including difficulty level) to produce generalized increases and how those variables can be meaningfully investigated prior to making treatment recommendations. 相似文献
72.
For good ecological reasons humans assume that the illumination in pictures comes from overhead rather than from below. Recent work has also raised the possibility that the preferred angle of illumination is between 20 degrees and 30 degrees to the left of vertical, although the ecological basis for that is obscure. We describe two studies of this question. In study 1, twenty subjects looked in free, unrestricted vision, at a picture of a single 'bubble' which appeared either convex if the illumination was from above, or concave if the illumination was from below. There was no evidence in study 1 that illumination from the left produced a different appearance from illumination from the right, the preferred angle of illumination being 0.5 degrees to the right of vertical. In study 2, on forty subjects, there was fast presentation (200 ms) of an array of 16 bubbles, one of which, the target, was illuminated from the opposite direction to the others, and hence 'popped out' from the display, appearing concave if the others were convex, or vice-versa. The preferred angle of illumination for detection of the target was about 14 degrees to the left of vertical in study 2. The estimates from studies 1 and 2 did not differ significantly, and when combined gave a preferred angle of 9 degrees to the left of vertical. The reasons for the seeming discrepancy between studies 1 and 2, or the smaller overall effect than that found in previous studies are not clear since the methodologies seem equivalent. In both studies 1 and 2 there was a highly significant association between the direction of spontaneous head tilt and preferred direction of illumination, and this factor has not previously been taken into account in studies of the phenomenon. Contrary to the study of Sun and Perona (1998, Nature Neuroscience 1 183-184), there was no association with handedness or other measures of functional lateralisation. 相似文献
73.
In Search of the Self: A Positron Emission Tomography Study 总被引:24,自引:0,他引:24
Fergus I.M. Craik Tara M. Moroz Morris Moscovitch Donald T. Stuss Gordon Winocur Endel Tulving & Shitij Kapur 《Psychological science》1999,10(1):26-34
Abstract—Previous work using positron emission tomography (PET) has shown that memory encoding processes are associated with preferential activation of left frontal regions of the brain, whereas retrieval processes are associated predominantly with right frontal activations. One possible reason for the asymmetry is that episodic retrieval necessarily involves reference to the self, and the self-concept may be represented (at least partially) in right frontal regions. Accordingly, the present study investigated the possibility that encoding of self-related material might also activate right frontal areas. Eight right-handed volunteers judged trait adjectives under four separate PET scan conditions: (a) relevance to self, (b) relevance to a well-known public figure, (c) social desirability, and (d) number of syllables. The results showed that self-related encoding yielded left frontal activations similar to those associated with other types of semantic encoding, but also specific activations in the right frontal lobe. It is concluded that the concept of self involves both general schematic structures and further specific components involved in episodic memory retrieval. 相似文献
74.
Advertisements from magazines aimed at AfricanAmericans were compared to ads from magazines aimedpredominantly at Whites. Over 200 magazineadvertisements were analyzed according to Goffman's(1976) rubrics of licensed withdrawal, function ranking,relative size, ritualization of subordination, femininetouch, and the family. Results indicated that the adsfrom White-oriented magazines were characterized by relatively frequent displays of licensedwithdrawal and ritualization of subordination. Thoseaimed at African Americans, however, were characterizedby more frequent portrayals of the family. Almost half of each sample were classified into another category which followed none ofGoffman's rubrics. Results are discussed in terms of thedemand characteristics implicit in gender advertisements and in terms of cultural differences in genderrole expectations. 相似文献
75.
Male subjects (N=90) worked under supervision for two hours. A 2×2×2 factorial design was employed so that the supervisor was male or female, autocratic or democratic, and possessed a sex-role congruent or incongruent job title. The hypotheses were supported in part: For female supervision only, the more traditionally incongruent the situation, the more unfavorable were the reactions elicited. This finding was true, however, only for subordinates' verbal comments and not for their task performance or written evaluation of the supervisor. Discussion of the specific hypotheses is provided and an alternate explanation concerning the supervisors' alleged prior experience is offered. A more dynamic approach to the study of leader—subordinate relationships — especially in light of the implications for acceptance of female supervision offered by this study — is advocated. 相似文献
76.
Kelly Gurley Lambert Tara Neal Jill Noyes Conway Parker Pamela Worrel 《Current Psychology》1991,10(4):297-303
In the present study, the effect of food-related cues on the desire to eat chocolate in hungry and satiated subjects was investigated.
Subjects (n=46) were randomly assigned to either a hungry or satiated group and then assigned to a group receiving one of the following
stimuli: taste (2 M&Ms), sight (a photograph of M&Ms), cognition (a passage describin M&Ms), or control (no stimulus). In
each testing session, subjects rated their desire to eat chocolate before and after the 90-s presentation of the particular
stimulus. Each subject was then given a half pound of M&Ms so that actual consumption could also be measured. Results indicated
that, following the presentation of the sight and taste stimuli, the subjects’ desire to eat chocolate was significantly increased.
Furthermore, no differences in chocolate consumption due to state of hunger or type of food-related stimulus presented were
found. 相似文献
77.
Research indicates that in general, curiosity leads to more intense processing of an advertisement, which might result in a more skeptical response toward a persuasive message. However, we propose the opposite and argue that a process of evoking curiosity toward a stimulus in the first step (with the creation of an information gap) and resolving it in the second step creates a positive affective experience. Upon receiving curiosity-resolving information after becoming curious, consumers are less skeptical toward the advertised product, which leads to a more favorable attitude and a higher purchase intention. Based on four studies, we demonstrate curiosity's skepticism-reducing effect, its downstream consequences, and the underlying mechanism of positive affect. We show that this curiosity-stimulating way of information disclosure caused the effect instead of the information itself, which remained constant. The effects occur for integral curiosity, directed at the focal product, and for incidental curiosity, elicited by an unrelated stimulus. These results contribute to understanding consumer responses to curiosity-evoking advertisements, which are widespread, and provide implications for consumer psychologists, practitioners, and policy makers. 相似文献
78.
This study examined the influence of gender and various background factors on science anxiety. Students (50 women, 37 men) took the Science Anxiety Scale (Mallow, 1994), provided information about high school and college academic accomplishments, described gender-role stereotyping in the home, and evaluated their science teachers and science experiences. Most participants were Caucasian and from an upper-middle class background. Women were not uniformly more science anxious and had a relatively similar science background to men, although they had higher science grades in high school and did report less stringent sex-role socialization in the home. However, students with high science anxiety took fewer science courses in college, had lower SAT-Q scores, and reported that their high school science teachers were not helpful. The findings regarding gender- and anxiety-linked differences are discussed in terms of women's and men's differential interpretations of their abilities, the influence of parental gender typing on pursuit of science, and the gender-appropriateness of studying science. 相似文献
79.
80.
Motivation and Emotion - Although there are different theoretical accounts regarding the interplay of affect and cognition, including cognitive load theory and mood-as-information theory, research... 相似文献