Rehearsal of faces and details in action events

The relationship between mental rehearsal and facial identification accuracy was explored in two experiments involving either a staged classroom event or a video scenario. The results suggest that when subjects rehearsed immediately following an event, compared to subjects in non-rehearsal conditions, identification accuracy was increased when the target face was unchanged in appearance but was reduced when the face was changed slightly in appearance from viewing to test. However, when rehearsal of the event was delayed 10 minutes, identification accuracy was improved even when the face had changed in appearance. Immediate rehearsal, in contrast, led to a reduction in identification performance. In short, in some circumstances the gains in specific memory brought about by mental rehearsal serve to reduce than improve identification accuracy. The relevance of these findings to memory theory and everyday eyewitness testimony is discussed.     

Extracting thresholds from noisy psychophysical data

Psychophysical studies with infants or with patients often are unable to use pilot data, training, or large numbers of trials. To evaluate threshold estimates under these conditions, computer simulations of experiments with small numbers of trials were performed by using psychometric functions based on a model of two types of noise:stimulus-related noise (affecting slope) andextraneous noise (affecting upper asymptote). Threshold estimates were biased and imprecise when extraneous noise was high, as were the estimates of extraneous noise. Strategies were developed for rejecting data sets as too noisy for unbiased and precise threshold estimation; these strategies were most successful when extraneous noise was low for most of the data sets. An analysis of 1,026 data sets from visual function tests of infants and toddlers showed that extraneous noise is often considerable, that experimental paradigms can be developed that minimize extraneous noise, and that data analysis that does not consider the effects of extraneous noise may underestimate test-retest reliability and overestimate interocular differences.     

Left-handers show greater test-retest variability in auditory and visual asymmetry

Left-right difference scores were analyzed for groups left- and right-handed subjects administered the same dichotic listening and visual half-tests on four separate days. The left-handed subjects showed greater test to test variability than the right handers for both modalities.     

The place of counselling in 'new opportunities for women' courses

The structure and content of 'New Opportunities for Women' (NOW) courses run by a university department of adult education are described, and the kind of counselling appropriate to such courses is discussed. During five years' work with such courses in Newcastle, what has been in question has not been the relevance of counselling, but the ways in which it can be most usefully integrated within a 60-session course.     

Phonological recoding and lexical access

Four experiments are reported that examine the effects of homophony (e.g., SAIL/SALE) on response latency in a lexical decision task. The results indicated that an effect of homophony was evident only if the nonword distractors consisted of legal, pronounceable strings (e.g., SLINT), but that this effect disappeared if the nonwords sounded like English words (e.g., BRANE). An optional encoding strategy is proposed to account for this differential effect. It is suggested that while both graphemic and phonemic encoding occurred simultaneously, naive subjects tended to rely on the outcome of the phonological route. However, when such reliance produced a high error rate (i.e., when the nonwords sounded like English words),. these subjects were able to abandon a phonological strategy and rely on the graphemic encoding procedure instead. Two further aspects of the results are of interest. First, the less frequent member of a homophone pair was slower when compared with a control item if the nonword distractors were of the SLINT type, but not different if they were of the BRANE type. The high-frequency members did not differ from their controls in either nonword environment. Second, in a homophone “repetition” experiment, the frequency order of presentation within pairs of homophones (i.e., the high-frequency member followed by the low-frequency member, or vice versa) had a substantial effect. A spelling recheck procedure and a response-inhibitory mechanism are postulated to incorporate these effects into a dual-encoding direct-access model of word recognition.     

EFFECTS OF REINFORCEMENT FOR ALTERNATIVE BEHAVIOR DURING PUNISHMENT OF SELF-INJURY

A number of variables influence the effectiveness of punishment and may determine the extent to which less intrusive forms of punishment may be used as alternatives to more intrusive interventions. For example, it has been suggested that response suppression during punishment may be facilitated if reinforcement is concurrently available for an alternative response. However, results of basic research demonstrating this finding have not been replicated with interventions more commonly prescribed as treatments for problem behavior. We evaluated the effects of relatively benign punishment procedures (reprimands or brief manual restraint) on the self-injurious behavior of 4 individuals who had been diagnosed with mental retardation, when access to reinforcement for alternative behavior (manipulation of leisure materials) was and was not available. In all cases, punishment produced greater response suppression when reinforcement for an alternative response was available.     

Male and Female Recipients of Unwanted Sexual Contact in a College Student Sample: Prevalence Rates,Alcohol Use,and Depression Symptoms

It is typically assumed that acquaintance rapeand other forms of unwanted sexual contact involve malesas perpetrators and females as victims. The currentstudyinvestigated prevalence rates of experiencing as well as instigating sexual coercion, force,and other types of unwanted sexual contact for both menand women in a college Greek system. 165 men and 131women (82% Caucasian) completed 2 gender neutral measures of unwanted sexual contact, as well asassessments of alcohol use, alcohol related negativeconsequences, and depressive symptoms. Results indicatedmen were as likely to report being the recipients of sexual coercion as were women in thissample, although women were more likely to be thevictims of physical force. In addition, both men andwomen in this sample who had been the recipientsofunwanted sexual contactreported heavier alcoholconsumption and related negative consequences than didtheir peers who had nothad these experiences. Men whohad been the recipients of unwanted sexual contactreported more symptoms of depression than other men inthis sample, but there were no differences in depressionsymptoms for women who did or did not report theseexperiences.     

Returning to Work Following Childbirth: The Relationship Between Intentions and Behavior

College women's intentions to return to work following childbirth were compared to behavior 10 years later. Using an Ajzen-Fishbein model, college intentions were significantly related to how soon a mother returned to work after the birth of her first child. The amount of variance explained was significant for intentions and behavior. College intentions were influenced by perceived consequences, approval of significant referents, and personal control. Return to work was predicted by intention to do so, even though the behavior occurred an average of seven years after the intention was declared. This behavior was more likely to occur among those who had a sense of personal control.     

Childhood behaviour and adult personality in male and female subjects

In a follow-up study, teacher ratings of behaviour at 13 years of age were analysed in relation to personality factors in adults (mean age 27 years) for a group of 77 male and 84 female subjects. In the male group, ratings of Aggressiveness, Motor Restlessness, and Concentration Dificulties correlated positively with a broad psychopathy-related factor. Furthermore, ratings of Timidity correlated positively with two anxiety factors. In the female group, ratings of Motor Restlessness correlated positively with an extraversion factor. The rated childhood behaviours and the adult personality factors were assumed to be a differential reflection of vulnerability to externalizing and internalizing psychosocial disturbances.