The present study examined the relationships of masculinity and femininity with concession in an experimental collaborative eyewitness testimony task, using the MORI technique. Participants formed same sex or mixed sex pairs and watched a videotaped event. Their eyewitness memories were assessed three times: immediately after watching, after discussing the event together, and individually 1 week later. The participants' self-confidence in their recalled memories and percentages of concessions were also examined. The Masculinity-Humanity-Femininity Scale was administered to the participants at the end of the experiment. The results showed that masculinity negatively correlated with concession, and that both masculinity and femininity were associated with inaccuracy in collaborative memory recall.
The present study examines implicit phonetic symbolism which posits that arbitrary linguistic sound is related to certain aspects of characteristics of other modalities, such as color, touch, or emotion. In consonant discrimination and lightness discrimination using Garner's speeded classification paradigm, spoken sounds (voiced/voiceless consonants) and lightness of visual stimuli (black/white squares) were systematically varied to assess cross-modal interactions. Congruent audio-visual pairs (voiced consonants and black, and between voiceless consonants and white) facilitated consonant discrimination. In lightness discrimination, no congruent facilitation or congruence effect was observed. These results indicated that cross-modal interactions in implicit phonetic symbolism can be found in correlations between linguistic spoken sounds and visual lightness.
The self-choice effect, that is the superior memory performance observed when participants are allowed to choose the item at the study phase than when they are not (lack of choice), has been explained by the encoding-strategy hypothesis (Takahashi, 1997). This hypothesis distinguishes between organizational processing, which focuses upon the relationship between chosen items, and item-specific processing, which itself focuses on the elements that make the chosen item distinctive. The encoding-strategy hypothesis predicts that the ability for the successive recall of chosen items can be affected by organized list (Experiment 1). The results of our experiments ran counter to the prediction and were interpreted by a new concept called connective processing, which would emphasize the relationship of paired items. Connective processing was examined through orienting tasks (Experiment 2). The results were more suitably interpreted by connective than organizational processing.
This study examined whether additional articulatory rehearsal induced temporary durability of phonological representations, using a 10-s delayed nonword free recall task. Three experiments demonstrated that cumulative rehearsal between the offset of the last study item and the start of the filled delay (Experiments 1 and 3) and a fixed rehearsal of the immediate item during the subsequent interstimulus interval (Experiments 2 and 3) improved free recall performance. These results suggest that an additional rehearsal helps to stabilize phonological representations for a short period. Furthermore, the analyses of serial position curves suggested that the frequency of the articulation affected the durability of the phonological representation. The significance of these findings as clues of the mechanism maintaining verbal information (i.e., verbal working memory) is discussed.
The purpose of this study is to investigate whether gender di#erences between pairs of eyewitnesses influence their collaborative recall. Using the MORI technique (Mori, 2003), two di#erent images can be presented on a single screen and viewed separately by two groups of participants through polarizing filters, so that they are unaware of actually viewing two di#erent overlapping images. The participants in this study were 48 undergraduates, assigned to one of three groups: a) eight male pairs, b) eight female pairs, and c) eight mixed-gender pairs. Wearing polarizing sunglasses, the members of each pairing observed two slightly di#erent versions of an event projected on the same screen. The participants were asked initially to report individually on what they had observed (pre-discussion report), and then to discuss the event with the other member of the pairing and make a consensus report (post-discussion report). After one week, the participants were again asked to report individually on their recollections for the event (week-later report). The results indicated that memory performance for female pairs improved significantly in the post-discussion and the week-later reports. An increase in memory performance for male pairs was only found in the post-discussion report. However, no significant improvements in memory scores for the mixedgender pairs were observed in any of their reports.
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