The demise of short-term memory revisited: empirical and computational investigations of recency effects

In the single-store model of memory, the enhanced recall for the last items in a free-recall task (i.e., the recency effect) is understood to reflect a general property of memory rather than a separate short-term store. This interpretation is supported by the finding of a long-term recency effect under conditions that eliminate the contribution from the short-term store. In this article, evidence is reviewed showing that recency effects in the short and long terms have different properties, and it is suggested that 2 memory components are needed to account for the recency effects: an episodic contextual system with changing context and an activation-based short-term memory buffer that drives the encoding of item-context associations. A neurocomputational model based on these 2 components is shown to account for previously observed dissociations and to make novel predictions, which are confirmed in a set of experiments.     

Ethnicity, socioeconomic background, and psychosis-proneness in a diverse sample of college students

A sample of 915 college students completed the Perceptual Aberration, Magical Ideation, and Schizotypal Personality Scales. No statistically significant differences were found between African-American (n=209) and European-American (n=591) students on these measures, except on the Perceptual Aberration Scale (p<0.01). Additional analyses revealed that this difference was mediated by the subjects’ gender and socioeconomic background. The results of the present study are consistent with previous studies that have examined the mediating role of socioeconomic background in the performance of African-Americans on the Minnesota Multiphasic Personality Inventory (MMPI) and the Millon Clinical Multiaxial Personality Inventory (MCMI) and confirm that differences on schizotypy measures are best interpreted in the context of the sociocultural background of the subjects.     

Judging toy breakers: Gender stereotypes have devious effects on children

Second-grade children listened to short stories about male or female children who accidentally broke neutral and sex-appropriate or opposite-sex toys. Children then rated the severity of punishment due to each toy breaker and provided justifications for their ratings. The justifications were coded for citing intentionality (or lack thereof) and toy ownership (or lack thereof). No differences were found between boys and girls in the punishment severity ratings of targets of either gender who broke neutral toys. In the punishment severity ratings of toy breakers of sex-appropriate and opposite-sex toys, gender stereotype effects were found only for girls; they suggested more severe punishment for toy breakers of opposite-sex toys, irrespective of their gender. The citation of toy ownership was found to be a significant variable in boys’ nonuse of gender stereotypes in their punishment severity ratings; with the impact of toy ownership removed, gender differences in punishment severity ratings were eliminated. Although the citation of intentions did not influence the punishment severity ratings of either boys or girls, boys referred to intentions primarily in same-sex targets. The data illustrate both the direct and the devious impact of gender stereotypes on children’s social cognitive processes. Portions of this paper were written while the first author was on sabbatical leave at Princeton University and Carnegie Mellon University. We would like to thank Dale Miller for his helpful comments on a previous version of this paper.     

Effect of the Commander's Ethnic Origin on Ethnic Attitudes of Israeli Soldiers1

This study examined the effect of the squad commander's ethnic origin on subordinates' interethnic attitudes. Thirty squads of recruits, serving in the Israeli army, took part in the study. Seventeen of the squad commanders were of Middle Eastern origin, and 13 of Western origin. Each squad contained both Middle Eastern and Western soldiers. Toward the end of the basic training, subjects responded to a series of questionnaires assessing their willingness to share various activities with both squad members and soldiers they did not know, as well as their evaluation of them. The results show- that those serving under a Western commander displayed more willingness to interact with Western than with Middle Eastern others. Subjects serving under a Western commander also evaluated more positively Western than Middle Eastern non-familiar soldiers. Those serving under a Middle Eastern commander displayed more willingness to share activities with Middle Eastern than with Western non familiar soldiers. They also evaluated nonfamiliar soldiers from Middle Eastern origins more positively than Western soldiers. The discussion focuses on the distinction between familiar and non familiar targets, and the role of “equal-status hypothesis” and “expectation states theory.”     

A computer terminal with synthetic speech output

The hardware configuration and software for a voice-output communications station are described. Advantages of such a capability in computer-aided instruction and as an aid for the visually handicapped are noted. The man-computer communication station incorporates a relatively inexpensive digitally controlled voice synthesizer.     

Posttraumatic stress disorder symptoms, psychological distress, personal resources, and quality of life in four groups of Holocaust child survivors

The objective of the present study was to inquire into the long-term effects of child survivors' Holocaust experience. To this end, 170 Holocaust survivors who were born after 1926 completed questionnaires with regard to psychological distress, Posttraumatic Stress Disorder (PTSD), Quality of Life (QoL), Self-identity, and Potency. The survivors were divided into four groups based on the setting of their experience during the Holocaust: Catholic Institutions, Christian foster families, concentration camps, and hiding in the woods and/or with partisans. Results showed that survivors who had been with foster families scored significantly higher on several of the measures of distress, whereas survivors who had been in the woods and/or with partisans scored significantly higher on several of the positive measures, QoL, potency, and self-identity. The discussion focuses on understanding the different experiences according to developmental theory and sense of control. It was concluded that there are group differences between child survivors according to their Holocaust experience.     

Using behavior contracts to improve behavior of children and adolescents in multiple settings

Research has shown that behavior contracts, a form of contingency management, can promote a wide range of behavior changes for individuals in varied populations; however, relatively few studies have been conducted in nonacademic settings. In the context of two service projects, we evaluated the extent to which behavior contracts improved problem behavior for 11 children and adolescents in residential treatment facilities and foster homes using nonconcurrent multiple baseline across participants’ designs with three or more tiers and supplemental statistical analysis for each tier. Practitioners in each setting implemented individualized behavior contracts for 5 to 59 weeks. Results show that behavior improved substantially for six participants but was relatively unchanged for the other five participants. We discuss the limitations of this clinically driven study, as well as clinical implications of our mixed findings.     

Alignment with globalized Western culture: Between inclusionary values and an exclusionary social identity

Reactions to globalized Western culture (GWC) are influential in shaping intergroup relations and social issues worldwide. GWC is conceptualized here as an inclusionary cultural value system but a simultaneously exclusionary social identity. Whereas GWC's inclusive values may promote the civil liberties and fair treatment of gay people, for instance, as a social identity, groups may use their alignment with GWC to buttress ingroup superiority over less aligned outgroups. Three studies (one correlational and two experimental in design) probe these opposing vectors in samples of Jewish‐Israelis, who are generally highly aligned with GWC. Results demonstrate that GWC alignment is associated with decreased anti‐gay prejudice (Studies 2 and 3) but exclusionary responses towards Arab individuals and groups (Studies 1, 2, and 3), who are perceived to be less aligned with GWC. Conducted during the 2014 Israeli‐Palestinian war, Study 3 notably demonstrated that a GWC identification prime reduced Jewish‐Israelis' willingness to offer humanitarian assistance to Palestinian civilians in need. This may suggest that in some contexts, GWC's divisive function as a social identity supersedes its more inclusionary humanistic values. These contrary effects of GWC alignment by social target are discussed, alongside their implications on national, regional, and international levels.     

Sexual Content on Mainstream TV Advertising: A Cross-cultural Comparison

A content analysis of 1,785 American ads and 1,467 Israeli ads maps the representation of sexual content on mainstream TV advertising in the two countries. This content appears in less than 5% of the advertisements. Most of it is mild and portrayed in the conservative context of an established relationship. Explicit material, socially discouraged practices, references to sexual responsibility and complete nudity are extremely rare. Israeli advertisements tend to present a higher share of sexual content than American ads, and male models are more likely to be partially nude than female models—but these differences are minor in extent.     

“Pure Joy”: Spinoza on Laughter and Cheerfulness

Laughter is a significant topic for Renaissance and seventeenth-century philosophers. Still, the latter rarely approved of laughter but endorsed it as useful mockery for theological or philosophical purposes. Benedict Spinoza’s view of laughter stands out as an exception to this attitude as well as to previous and later ones. Spinoza differentiates between mockery and laughter, denounces the former as evil, and characterizes the latter as “pure joy”: laughter is about oneself rather than another and originates in noticing something good, rather than base or ugly. In contrast to melancholy, cheerfulness is “always good” and is a precondition of our liberation as it furthers the use of reason. Not only is Spinoza’s view original, but it is an important source of the eighteenth-century notions of good-natured laughter and good humor through a more than probable influence on their proponent, the Earl of Shaftesbury. Whilst Spinoza’s view of cheerfulness is briefly addressed in recent studies, his view of laughter goes unnoticed in most commentaries and is misrepresented in humor studies. Contrary to what is assumed in the philosophy of laughter, I argue that the most important defense of laughter comes not from a British Enlightenment thinker, but from the Dutch Jewish seventeenth-century philosopher.