Disruption of order information by irrelevant items: a serial recognition paradigm

Irrelevant speech effect (ISE) is defined as a decrement in visually presented digit-list short-term memory performance due to exposure to irrelevant auditory material. Perhaps the most successful theoretical explanation of the effect is the changing state hypothesis. This hypothesis explains the effect in terms of confusion between amodal serial order cues, and represents a view based on the interference caused by the processing of similar order information of the visual and auditory materials. An alternative view suggests that the interference occurs as a consequence of the similarity between the visual and auditory contents of the stimuli. An important argument for the former view is the observation that ISE is almost exclusively observed in tasks that require memory for serial order. However, most short-term memory tasks require that both item and order information be retained in memory. An ideal task to investigate the sensitivity of maintenance of serial order to irrelevant speech would be one that calls upon order information but not item information. One task that is particularly suited to address this issue is serial recognition. In a typical serial recognition task, a list of items is presented and then probed by the same list in which the order of two adjacent items has been transposed. Due to the re-presentation of the encoding string, serial recognition requires primarily the serial order to be maintained while the content of the presented items is deemphasized. In demonstrating a highly significant ISE of changing versus steady-state auditory items in a serial recognition task, the present finding lends support for and extends previous empirical findings suggesting that irrelevant speech has the potential to interfere with the coding of the order of the items to be memorized.     

Can infants map meaning to newly segmented words? Statistical segmentation and word learning

The present experiments investigated how the process of statistically segmenting words from fluent speech is linked to the process of mapping meanings to words. Seventeen-month-old infants first participated in a statistical word segmentation task, which was immediately followed by an object-label-learning task. Infants presented with labels that were words in the fluent speech used in the segmentation task were able to learn the object labels. However, infants presented with labels consisting of novel syllable sequences (nonwords; Experiment 1) or familiar sequences with low internal probabilities (part-words; Experiment 2) did not learn the labels. Thus, prior segmentation opportunities, but not mere frequency of exposure, facilitated infants' learning of object labels. This work provides the first demonstration that exposure to word forms in a statistical word segmentation task facilitates subsequent word learning.     

Child-care history, classroom composition, and children's functioning in kindergarten

Previous research indicates that exposure to nonparental child care at an earlier age and for more hours predicts, at the individual level, more aggressive and disobedient behavior and greater school preparedness. The present study extended child-care research by investigating classroom-composition effects, that is, effects of the combined child-care histories of all the children in the classroom. Analyses showed that effects at the individual level aggregate at the classroom level: Kindergarten children with limited or no child-care history exhibited more externalizing behavior (e.g., fighting and arguing) and higher academic achievement when schooled in classrooms with more peers who had extensive child-care histories.     

Measuring faking in the employment interview: development and validation of an interview faking behavior scale

An Interview Faking Behavior (IFB) scale is developed and validated in 6 studies (N = 1,346). In Study 1, a taxonomy of faking behavior is delineated. The factor structure of a measure is evaluated and refined (Studies 2 and 3). The convergent and discriminant validity of the measure is examined (Study 4). The IFB scale consists of 4 factors (Slight Image Creation, Extensive Image Creation, Image Protection, and Ingratiation) and 11 subfactors (Embellishing, Tailoring, Fit Enhancing, Constructing, Inventing, Borrowing, Masking, Distancing, Omitting, Conforming, and Interviewer Enhancing). A study of actual interviews shows that scores on the IFB scale are related to getting a 2nd interview or a job offer (Study 5). In Study 6, an experiment is conducted to test the usefulness of the new measure for studying methods of reducing faking using structured interviews. It is found that past behavior questions are more resistant to faking than situational questions, and follow-up questioning increases faking. Finally, over 90% of undergraduate job candidates fake during employment interviews; however, fewer candidates engage in faking that is semantically closer to lying, ranging from 28% to 75%.     

The German Adaptation and Standardization of the Personality Assessment Inventory (PAI)

We developed the German Adaptation of the Personality Assessment Inventory (PAI; Morey, 1991) under careful consideration of current adaptation literature and guidelines. The adaptation process included the translation of the 344 items into German, a back translation into English as well as the testing of the language equivalence using a bilingual sample. We then standardized the final German version of the PAI for the German population. We compared the American and German norm and reliability data. The observed differences in PAI scale means did not exceed 5 T scores. Internal consistency reliability showed a similar pattern in both language versions, although the German alpha coefficients were on average slightly lower than the American ones. Factor structure was similar in both versions. We discuss expectations about the German PAI and possible problems for its practical usefulness for the German-speaking population.     

The effect of the NMDA receptor antagonist MK-801 on the acquisition and extinction of learned fear in the developing rat

Recent findings reveal qualitative developmental differences in extinction of learned fear. The present study explored potential developmental differences in the role of NMDA in acquisition and extinction. Rats were injected with MK-801 prior to fear conditioning or extinction training. Acquisition was found to be NMDA dependent in both age groups, whereas extinction was found to be NMDA dependent in 23-day-old rats, but NMDA independent in 16-day-old rats. These results illustrate another fundamental developmental difference in extinction as well as a dissociation in the role of NMDA in the acquisition and extinction of fear early in development.     

A study of the perceived recognition affecting the adoption of innovation with respect to the online game in Taiwan.

The potential of online games to become a major global business and the existence of limited related references led to the current study. In this study, Rogers's diffusion of innovation (DOI) theory is applied to investigate the principles for the adoption of online games in Taiwan. The findings suggest that relative advantages and compatibility both have a significant effect on the adoption of online games for purposes of amusement, with the former being more important for early gamers and the latter being regarded as more critical for later gamers. In addition, complexity is found to impede online game diffusion and is regarded as the most important facilitator.     

Parent characteristics, economic stress and neighborhood context as predictors of parent involvement in preschool children's education

This study examines factors related to three dimensions of parent involvement in preschool: school-based involvement, home-based involvement, and the parent–teacher relationship. Participants were 154 predominantly African American parents recruited from two Head Start programs. Results of bivariate and canonical correlation analyses support the validity of a multi-dimensional, ecological conceptualization of parent involvement. Perceived context variables, including economic stress and neighborhood social disorder, related negatively to parent involvement. Parent characteristics, including sense of efficacy regarding education and level of education, related positively to parent involvement. Regression analyses detected different patterns of association between predictors and the three dimensions of parent involvement. Parent characteristics were associated with home involvement, while perceived context variables were predictive of the teacher–parent relationship. Implications of differential predictors for different domains of parent involvement and directions for future research and intervention with low-income families are discussed.     

Changes in reality monitoring and episodic memory in early childhood

The purposes of this research were to examine the developmental relation between reality monitoring and episodic memory, to link reality monitoring to autobiographical memory by using extended naturalistic events, and to examine prefrontal functioning as a potential contributor to development in reality monitoring and episodic memory. In Experiment 1, 4-year-olds were worse than 6- or 8-year-olds at reality monitoring after a week delay, despite the fact that they remembered more about real than imagined events and remembered different aspects of each. In Experiments 2 and 3, reality monitoring and episodic memory were evaluated for 4- and 6-year-olds immediately after the events occurred and, in Experiment 3, again after a week delay. Reality monitoring was at higher levels for both age groups, but age differences remained. These data suggest that preschoolers' difficulties with reality monitoring result from a combination of episodic memory deficits and strategic differences. In addition, correlation analyses more directly linked preschoolers' reality monitoring to episodic memory and supported the hypothesis that episodic memory development is related to prefrontal functioning.     

Sensation seeking, aggression, and reckless behavior in high school students, college students, and adults

Replicating work of Arnett, males reported more frequent Reckless Behavior than females, and 27 high school and 48 college students did not differ in scores on Sensation Seeking or Aggression. As anticipated by Arnett, the 35 adults had significantly lower Sensation Seeking and Aggression scores than the two younger groups and less Reckless Behavior as well. In contrast to Arnett, Reckless Behavior did not rise for college students, and Sensation Seeking, but not Aggression, correlated with Reckless Behavior in all samples.