Visual discovery in mind and on paper

The effectiveness of mental imagery with and without drawing support (perceptual assistance) in the visual synthesis of novel patterns was studied in three experiments. When the task was to create one recognizable pattern from three simple shapes in a 2-min assembly period, subjects were as likely to produce a recognizable or creative pattern per trial whether mental imagery was augmented by external drawing support or not. When the task was to create as many patterns as possible in a 3-min assembly period, more patterns were produced per trial with external drawing support than without; however, neither the recognizability nor the creativity of the patterns differed. Differences in performance in the visual synthesis task with and without external drawing support are interpreted in terms of limited cognitive resources.     

USING TIME DELAY TO PROMOTE SPONTANEOUS SPEECH IN AN AUTISTIC CHILD

One of the frequently observed deficits in autistic children is their lack of spontaneous speech. We used a multiple baseline across behaviors to investigate the effectiveness of a time delay procedure for inducing spontaneous speech in a 10-year-old male autistic child during play. We first taught the child to imitate the experimenter's verbal prompts that described the child's motor response. Once the child reached criteria on imitation, we implemented baseline wherein an immediate verbal prompt for speech was provided after each of the child's motor responses. Intervention consisted of a gradual delay in the presentation of the verbal prompts. The time delay effectively increased the child's spontaneous speech on trained items; some generalization to untrained items also occurred, but only within the same behavioral class of car play. Generalization was also observed across settings. Spontaneous speech remained at high levels during the 4-month maintenance for the behavior of car play but decreased for a second behavior. Decreases in the child's response latencies suggest that spontaneous speech may be an anticipatory verbal response.     

Comparison of behaviors of suspected sexually abused and nonsexually abused preschool children using anatomical dolls

Using anatomical dolls, the play behaviors of nine sexually abused preschool children (five males, four females), ranging in age from 3 to 5 years, were compared with nine preschool children for whom there was no suspicion of sexual abuse and who were matched on the basis of age, gender, race, family status, and socioeconomic status. There was no significant difference between the two groups on explicit sexual behavior (vaginal, oral, and anal intercourse with thrusting motions between the dolls or between the child and the dolls and masturbation by the child). The groups were significantly [t(8)=2.19, p <.05; Wilcoxon W=6, p <.05) different when behaviors with suspicious sexual implication were combined with explicit sexual behaviors. There were no differences between the groups on measures of nonsexual behavior. The occurrence of the suspicious sexual behaviors is discussed and reviews of previous doll research and physical evidence of child sexual abuse are provided.This project was supported in part by a grant from The Graduate College of Western Michigan University, Kalamazoo, Michigan.     

Type a behavior,irritability, and cardiovascular response

Previous research suggests that high levels of hostility may augment the cardiovascular reactivity and risk of coronary heart disease (CHD) associated with Type A behavior. In contrast, other research indicates that the tendency to deny or suppress anger is associated with enhanced cardiovascular reactivity and risk of CHD. To delineate further the combined role of anger processes and Type A behavior in CHD risk, this study examined the interactive effects of Type A behavior and self-reported irritability on cardiovascular response to a challenging mental task. Type A and Type B college students were further classified as either high or low in self-reported irritability. Type A subjects who were low in self-reported irritability evidenced greater cardiovascular reactivity (i.e., systolic blood pressure and pulse rate) than did Type B subjects low in irritability. However, Type A subjects who were high in irritability tended to demonstrate less cardiovascular response than Type B subjects high in irritability. Further, Type A's low in self-reported irritability evidenced greater cardiovascular response than high-irritability Type A's. It is suggested that reduced reporting of irritability by Type A's may reflect suppression or denial, and further that this reduced reporting is associated with enhanced cardiovascular responsivity.     

Rapid silent response to repeated target symbols by dyslexic and nondyslexic children

A previous study demonstrated that naming of repeated colors, objects, letters, and numbers (RAN test) was performed more slowly by dyslexic than by nondyslexic learning disabled children, whereas both groups were slower than controls. A test eliminating the vocal response and requiring “cancellation” of selected verbal targets distinguished the two learning disabled groups from each other only when the targets were triads of numbers or letters, the dyslexic group performing more slowly. Compared even with triad target selection, however, dyslexic children were relatively more impaired on rapid naming (RAN), suggesting a specific relationship of reading to speech or the greater mobilization of language functions which speech requires.     

The Great Western Railway

Philosophia - In On The Plurality of Worlds Lewis presents the case of the Great Western Railway as a candidate counter-example, along with the usual suspects, to the thesis that two things cannot...     

How do Lithuanian adolescents address identity questions? A four-wave longitudinal study on change and stability in identity styles

Abstract

The present investigation evaluated multiple patterns of change and stability in Berzonsky’s identity styles (informational, normative, and diffuse-avoidant) in a four-annual-wave longitudinal study with 468 adolescent boys and girls from Lithuania. A combination of mean level changes, high rank-order stability, and high profile stability has been found in this study. First, levels of informational and normative identity styles remained stable for girls, but decreased significantly for boys; levels of diffuse-avoidant identity styles remained stable for girls and boys. Second, the rank-order stability of the normative and diffuse-avoidant styles was lower for boys, than for girls. Third, the mean profile stability was high for girls and moderate for boys. In general, our findings highlighted substantial gender differences in multiple indices of change and stability of identity styles.     

Image Manipulation as Research Misconduct

A growing number of research misconduct cases handled by the Office of Research Integrity involve image manipulations. Manipulations may include simple image enhancements, misrepresenting an image as something different from what it is, and altering specific features of an image. Through a study of specific cases, the misconduct findings associated with image manipulation, detection methods and those likely to identify such manipulations, are discussed. This article explores sanctions imposed against guilty researchers and the factors that resulted in no misconduct finding although relevant images clearly were flawed. Although new detection tools are available for universities and journals to detect questionable images, this article explores why these tools have not been embraced.