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1.
Although a significant amount of research has focused on traditional media choice and use, and even on some ‘new’ media, these studies have either neglected the Internet and World Wide Web or were conducted prior to their recent popularity. This study offers a novel exploration of individuals' use of three Internet functions (information retrieval, information giving, and conversation capabilities) in the context of the use of other communication media. Data from 684 individuals demonstrate that the Internet is a multidimensional technology used in a manner similar to other, more traditional media. Specifically, conversation features of the Internet align with mediated interpersonal technologies (the telephone and electronic mail), whereas the Internet's information‐retrieval and information‐giving features are used in ways similar to mass media channels (newspapers, television, and books and magazines). In addition, needs fulfilled by these channels cluster in ways consistent with past research, regardless of the technologies employed to meet them. 相似文献
2.
Impact of diagnosed depression and self-reported mood on mothers' control strategies: a longitudinal study 总被引:1,自引:0,他引:1
Grazyna Kochanska Leon Kuczynski Marcella Maguire 《Journal of abnormal child psychology》1989,17(5):493-511
Control strategies of 70 well and depressed mothers were assessed twice: when their children were of toddler age (Time 1) and, for 39 of the mothers, when their children were 5 (Time 2). At Time 1 well mothers were more direct with their children, using more direct commands and reprimands, and fewer explanations than depressed mothers. At Time 2 well mothers used fewer direct commands than depressed mothers. Self-reported negative mood preceding the interaction in well mothers was associated with decreased directness at Time 1 but increased directness at Time 2. At Time 1 depressed mothers' negative mood was associated with a decrease in the use of explanations. All mothers used more unclear commands and fewer reprimands and positive incentives with their 5-year-olds than when the children were toddlers. Depressed mothers, but not well mothers, increased their use of direct commands when the children were older. The findings are interpreted in the context of complex interplay between mother's diagnosis of depression, self-reported mood preceding the interaction, and the developmental level of the child. 相似文献
3.
A behavioural programme to treat psychological distress following mastectomy for breast cancer is described. The first 10 patients to be treated were randomly allocated to two treatment groups: Behavioural Programme Only or Behavioural Programme + Drugs (antidepressant medication). Both groups showed improvement over treatment, but the Behavioural Programme + Drugs group appeared to maintain their improvement better. 相似文献
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Sidman M Wynne CK Maguire RW Barnes T 《Journal of the experimental analysis of behavior》1989,52(3):261-274
Three adult subjects were taught a set of two-choice simultaneous discriminations, with three positive and three negative stimuli; all possible combinations of positive and negative stimuli yielded nine different pairs. The discriminations were repeatedly reversed and rereversed, the former positive stimuli becoming negative and the former negative stimuli becoming positive. With all subjects, a reversal of the contingencies for one pair of stimuli became sufficient to change their responses to all of the other pairs. The reversals had produced functional stimulus classes. Then, all subjects showed conditional discriminations emerging between members of a functional class; given a sample from one class and comparisons from both classes, they selected the comparison that was in the same class as the sample. Next, 2 of the subjects showed that the within-class conditional relations possessed the symmetric and transitive properties of equivalence relations; after having been taught to relate new stimuli to existing class members, the subjects then matched other class members to the new stimuli. Subsequent tests of two-choice discriminations showed that the conditional discriminations had transferred functional class membership to the new stimuli. The 3rd subject, who did not show equivalence relations among functional class members, was also found to have lost the within-class conditional relations after the equivalence tests. 相似文献
7.
Throughout middle-childhood, inhibitory processes, which underlie many higher order cognitive tasks, are developing. Little is known about how inhibitory processes change as a task becomes conceptually more difficult during these important years. In adults, as Go/NoGo tasks become more difficult there is a systematic decrease in the P3NoGo response, indicating the use of effective inhibitory strategies (Maguire et al., 2009). This paper investigates the age at which children employ similar inhibitory strategies by studying behavioral and Event Related Potential (ERP) measures of response inhibition for three Go/NoGo tasks. Seventeen 7-8 year-olds and twenty 10-11-year-olds completed three Go/NoGo tasks that differed in the level of categorization necessary to respond. Both age groups displayed slower reaction times as the tasks became more difficult. Further, both groups displayed the predicted Go vs. NoGo P3 amplitude differences in the two simplest tasks, but no significant P3 differences for the most complex task. The reason for this pattern of responses was different in the different age groups. Similar to adults in previous work, the oldest children showed an attenuation of the P3 NoGo response with task difficulty, and no corresponding changes in the Go amplitude. The younger children displayed the opposite pattern, a significant increase in the Go amplitude with task difficulty, and no changes in the NoGo response. These response patterns indicate that efficient inhibitory strategies are developing throughout middle-childhood. 相似文献
8.
Maguire A 《Brain and cognition》2000,43(1-3):328-332
Halligan and Marshall (1994) have proposed that unilateral neglect (UN) can be reduced by ipsilesional global cues which induce processing of the whole object, including contralesional features. This hypothesis has the potential to distinguish difficulties with disengaging attention after ipsilesional capture from the failure of contralesional stimuli to capture attention. To test the role of global cues, seven individuals with unilateral right-hemispheric lesions copied and verbally identified drawings adapted from Seron, Coyette, and Bruyer (1989). The level of meaningful information presented in the ipsilesional hemispace was varied across three levels: symmetrical objects, objects with an identifying left-side feature, and objects that required processing of the left-side information for plausible identification. The results support the global processing hypothesis by demonstrating that the less the ipsilesional information, the less was the neglect of contralesional information. 相似文献
9.
Humphreys MS Dennis S Maguire AM Reynolds K Bolland SW Hughes JD 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(5):797-812
Following study, participants received 2 tests. The 1st was a recognition test; the 2nd was designed to tap recollection. The objective was to examine performance on Test 1 conditional on Test 2 performance. In Experiment 1, contrary to process dissociation assumptions, exclusion errors better predicted subsequent recollection than did inclusion errors. In Experiments 2 and 3, with alternate questions posed on Test 2, words having high estimates of recollection with one question had high estimates of familiarity with the other question. Results supported the following: (a) the 2-test procedure has considerable potential for elucidating the relationship between recollection and familiarity; (b) there is substantial evidence for dependency between such processes when estimates are obtained using the process dissociation and remember-know procedures; and (c) order of information access appears to depend on the question posed to the memory system. 相似文献
10.
Just MA Carpenter PA Maguire M Diwadkar V McMains S 《Journal of experimental psychology. General》2001,130(3):493-504
This functional MRI study examined how people mentally rotate a 3-dimensional object (an alarm clock) that is retrieved from memory and rotated according to a sequence of auditory instructions. We manipulated the geometric properties of the rotation, such as having successive rotation steps around a single axis versus alternating between 2 axes. The latter condition produced much more activation in several areas. Also, the activation in several areas increased with the number of rotation steps. During successive rotations around a single axis, the activation was similar for rotations in the picture plane and rotations in depth. The parietal (but not extrastriate) activation was similar to mental rotation of a visually presented object. The findings indicate that a large-scale cortical network computes different types of spatial information by dynamically drawing on each of its components to a differential, situation-specific degree. 相似文献