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51.
James A. Green Gwen E. Gustafson Julia R. Irwin Lori L. Kalinowski Rebecca M. Wood 《Infant and child development》1995,4(4):161-175
This paper first reviews briefly the literature on the acoustics of infant cry sounds and then presents two empirical studies on the perception of cry and noncry sounds in their social-communicative context. Acoustic analysis of cry sounds has undergone dramatic changes in the last 35 years, including the introduction of more than a hundred different acoustic measures. The study of cry acoustics, however, remains largely focused on neonates who have various medical problems or are at risk for developmental delays. Relatively little is known about how cry sounds and cry perception change developmentally, or about how they compare with noncry sounds. The data presented here support the notion that both auditory and visual information are important in caregivers' interpretations of infant sounds in naturalistic contexts. When only auditory information is available (Study 1), cry sounds become generally more recognizable from 3 to 12 months of age; perception of noncry sounds, however, generally does not change over age. When auditory and visual information contradict each other (Study 2), adults tend to perform at chance levels, with a few interesting exceptions. It is suggested that broadening studies of acoustic analysis and perception to include both cry and noncry sounds should increase our understanding of the development of communication in infancy. Finally, we suggest that examining the cry in its developmental context holds great possibility for delineating the factors that underlie adults' responses to crying. 相似文献
52.
Discrepancies between an agents goals and beliefs play an important, if implicit, role in determining what a rational agent is motivated to do. This is most obvious in cases where an agent achieves a complex goal incrementally and must deliberate anew as each milestone is reached. In such cases the concept of goal/belief discrepancy defines an appropriate space to which a degree-of-achievement yardstick can be applied. This paper presents soundness and completeness results concerning a logic for reasoning about goal/belief discrepancy, and it is suggested that a certain species of goal/belief discrepancy captures the concept of desire. 相似文献
53.
I Cross P Howell R West 《Journal of experimental psychology. Human perception and performance》1983,9(3):444-460
Most Western music is tonal; that is, pitch organization can largely be described in terms of scales or keys. A considerable amount of research has been conducted on the role played by scale in perceiving notes and melodies. The present article points out a potentially important distinction between scale structure (the set permitted pitch intervals between notes) and mode (the assignment of a special salience or centrality to particular notes within the scale structure). Four experiments are described that investigated the judgment of adult Western listeners for melodies that approximated to scale structure in differing degrees but that were random in other respects. We found that musicians and nonmusicians gave higher ratings of preference and adjudged musicality to melodies containing increased numbers of consecutive notes conforming to scale structure. A significant exception to this rule was the least scalar type of sequence, which received ratings as high as the fully scalar sequences. This exception occurred because subjects identified scale structure not only in groups of contiguous notes but also in groups of discontiguous notes that formed a coherent "stream" as long as the number of notes intervening corresponded to a standard temporal grouping, or meter, such as is commonly found in Western music. 相似文献
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55.
B L Bates R J Miller H J Cross T A Brigham 《Journal of personality and social psychology》1988,55(1):120-127
The Carleton Skills Training (CST) program was used to investigate (a) whether increases in hypnotic responsiveness obtained at Carleton University could be replicated at a different laboratory, (b) the influence of demand characteristics on suggestibility gains, and (c) whether initial gains are maintained over time. After two screening sessions, a replication and experimental group received the CST program, while a control group was allowed to practice hypnotic responding. All groups were then tested twice. Whereas the replication group was told that training and testing were part of the same experiment, the experimental group was told that training and testing were unrelated. Trained subjects returned after 4 months for a final session. Results indicated that (a) the CST program does increase hypnotic responsiveness, (b) suggestibility gains found in this study were relatively modest, (c) demand characteristics may influence suggestibility gains, and (d) suggestibility gains were not maintained at follow-up. 相似文献
56.
Three groups of subjects were administered a redefinition strategy which asked them to focus on sensations during noxious stimulation. Those in one group were informed that the strategy would reduce pain (positive expectancy), those in a second were informed that it would augment pain (negative expectancy), and those in a third were given no information on expectancy. Subjects in a fourth group received neither redefinition nor instructions on expectancy. The four groups did not differ either in expectancy of pain reduction or in reduction of reported pain. Subjects in all groups expected more pain than they reported, and expectations for pain reduction showed only a small correlation with degree of reported pain reduction. In all groups, men reported less pain than women. 相似文献
57.
Probability and delay in commitment 总被引:3,自引:2,他引:1
Rachlin H Castrogiovanni A Cross D 《Journal of the experimental analysis of behavior》1987,48(3):347-353
In the first stage of a two-stage choice, human subjects chose between probabilistic access to a second choice (between a small high-probability reward and a large low-probability reward) and commitment to the large low-probability reward. When confronted with the second-stage choice, subjects strongly preferred the small high-probability reward. When the first-stage probability (of access to the second stage) was high, subjects strongly preferred the path leading to the choice in the second stage. But when the first-stage probability was low, subjects committed themselves to the large low-probability reward. These results parallel those obtained by Rachlin and Green (1972) with pigeons and constitute some evidence that probabilities may be interpreted as delays. 相似文献
58.
59.
Beyond the reactive‐proactive dichotomy: Rage,revenge, reward,and recreational aggression predict early high school bully and bully/victim status
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Kevin C. Runions Christina Salmivalli Therese Shaw Sharyn Burns Donna Cross 《Aggressive behavior》2018,44(5):501-511
60.
The authors used survey data from 127 professional-level employees working in 8 industries to assess the effects of respondent's trusting stance and (a) the trustee's organization membership (internal or external), (b) the hierarchical relationship (supervisor or peer), and (c) the gender of the trustee, on initial trust level for a new project team member. The authors found that trusting stance was positively related to initial trust level. The authors also found an interaction effect between respondent gender and trustee gender on initial trust. Specifically, male initial trust level was higher for a new male team member and lower for a new female team member. The present study provided additional understanding of the formation of initial trust levels and its importance for team functioning. 相似文献