Comparing examinees to a control

When comparing examinees to a control, the examiner usually does not know the probability of correctly classifying the examinees based on the number of items used and the number of examinees tested. Using ranking and selection techniques, a general framework is described for deriving a lower bound on this probability. We illustrate how these techniques can be applied to the binomial error model. New exact results are given for normal populations having unknown and unequal variances.The work upon which this publication is based was performed pursuant to a grant [Grant No. NIE-G-76-0083] with the National Institute of Education, Department of Health, Education and Welfare. Points of view or opinions stated do not necessarily represent official NIE position or policy.     

A measure of stereotyping in fear-of-success cues

Prior studies suggest that sex-role stereotypes influence responses to Horner's fear-of-success cue. This study investigates stereotypes about both sex roles and achievement settings. One hundred sixty college males and females wrote stories to different cues, then rated the masculinity-femininity of their characters. Both John and Anne were rated more masculine as medical students than in a neutral setting. Anne was rated more feminine than John in the neutral setting but equally masculine as a medical student. However, Anne's success was not regarded as maladaptive, but competent. Clearly Horner's cue reflects stereotypes; a more ambiguous cue might assess motives more effectively.Portions of this article were presented at the annual meeting of the American Psychological Association in Washington, D.C., 1976. Special thanks to Professor Charles P. Smith for his advice and encouragement throughout this research.     

Autoshaping of abnormal children

Three experimentally naive abnormal children were exposed to a terminal operant contingency, i.e., reinforcement was delivered only if the children pressed a panel during intervals when it was lighted. Despite the absence of both successive approximation and manual shaping, it was found that each child began to respond discriminatively within a small number of trials. These data replicated previous animal studies concerned with the phenomena of autoshaping and signal-controlled responding. It was also found, however, that one type of autoshaping, the classical conditioning procedure, had a powerful suppressive effect on discriminative responding. An experimental analysis that consisted of a combination of intrasubject reversal and multiple baseline designs established the internal validity of the findings. The finding of rapid acquisiton of signalcontrolled responding obtained with the initial procedure is suggested to have practical significance. The disruptive effects of the classical form of autoshaping are discussed in terms of negative behavioral contrast.Funding for this study and for the development of the computer-operated laboratory was provided by the USOE, Bureau of Education for the Handicapped, as a portion of Grant Number G007604305, sensory discrimination, generalization, and language training of autistic children, awarded to R. L. Blanton and C. W. Deckner. The authors would like to express their appreciation to John Halsell for his assistance in computer operations and data collection.     

Positive Illusions and Coping with Adversity

ABSTRACT We review the literature showing that positive illusions (i.e., self-aggrandizement, unrealistic optimism, and exaggerated perceptions of control) are common and associated with successful adjustment to stressful events, including conditions of extreme adversity. Using theory and recent data, we offer a basis for integrating positive illusions with the constraints of reality. We explicitly contrast the social psychological model of positive illusions with a personality viewpoint that addresses the question “Do higher levels of positive illusions predict higher levels of adjustment?” These issues are explored in the context of people coping with an array of normal stressful events, as well as those coping with more extreme stressful events, including cancer, heart disease, and HIV infection. Life is seldom as unendurable as, to judge by the facts, it ought to be. —Brooks Atkinson

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Priming infants to attend to color and pattern information in an individuation task

Wilcox (Cognition 72 (1999) 125) reported that infants are more sensitive to form than surface features when individuating objects in occlusion events: it is not until 7.5 months that infants spontaneously use pattern information, and 11.5 months that they spontaneously use color information, as the basis for object individuation. The present research assessed the extent to which infants' sensitivity to surface features could be increased under more supportive conditions. More specifically, we examined whether younger infants could be primed to draw on color and pattern features in an individuation task if they were first shown the functional value of attending to color and pattern information (i.e. the color or the pattern of an object predicted the function it would engage in). Five experiments were conducted with infants 4.5 to 9.5 months of age. The main findings were that 9.5- and 7.5-month-olds could be primed to use color information, and 5.5- and 4.5-month-olds could be primed to attend to pattern information, after viewing the function events. The results are discussed in terms of the kinds of experiences that can lead to increased sensitivity to surface features and the mechanisms that support feature priming in young infants.     

Response of female cuttlefish Sepia officinalis (Cephalopoda) to mirrors and conspecifics: evidence for signaling in female cuttlefish

Cuttlefish have a large repertoire of body patterns that are used for camouflage and interspecific signaling. Intraspecific signaling by male cuttlefish has been well documented but studies on signaling by females are lacking. We found that females displayed a newly described body pattern termed Splotch toward their mirror image and female conspecifics, but not to males, prey or inanimate objects. Female cuttlefish may use the Splotch body pattern as an intraspecific signal, possibly to reduce agonistic interactions. The ability of females to produce a consistent body pattern in response to conspecifics and mirrors suggests that they can recognize same-sex conspecifics using visual cues, despite the lack of sexual dimorphism visible to human observers. Electronic Supplementary Material Supplementary material is available for this article at and is accesible for authorized users.     

Pursuit of comfort and pursuit of harmony: culture, relationships, and social support seeking

This research examined whether people from collectivistic cultures are less likely to seek social support than are people from individualistic cultures because they are more cautious about potentially disturbing their social network. Study 1 found that Asian Americans from a more collectivistic culture sought social support less and found support seeking to be less effective than European Americans from a more individualistic culture. Study 2 found that European Americans' willingness to seek support was unaffected by relationship priming, whereas Asian Americans were willing to seek support less when the relationship primed was closer to the self. Study 3 replicated the results of Study 2 and found that the tendency to seek support and expect social support to be helpful as related to concerns about relationships. These findings underscore the importance of culturally divergent relationship patterns in understanding social support transactions.