Effects of repetition and response deadline on item recognition in young and older adults

In the present study, we examined the joint effects of aging, repetition, and response deadline in a plurality discrimination task. Young and older adults studied lists of unrelated singular and plural nouns, with half presented once (weak items) and half presented five times (strong items). Test lists contained old (same) nouns, plurality-reversed nouns (changed lures), and unstudied nouns (new lures), and the participants were asked to respond old only to same items. In Experiment 1, the participants were tested with both short and long deadlines. In Experiment 2, the tests were unpaced. In both experiments, repetition increased hit rates for young and older adults. Young adults tested with a long deadline or no deadline showed invariant (Experiment 1) or reduced (Experiment 2) false alarms to changed lures when the nouns were studied more often. Young adults tested with a short deadline and older adults tested with both long and short deadlines had increased false alarm rates for strong changed lures; without time pressure to respond, older adults did not have a significant increase in false alarms for changed lures. Implications of these results for theories of cognitive aging are explored.     

Dual-process models of associative recognition in young and older adults: evidence from receiver operating characteristics

In 3 experiments, young and older adults studied lists of unrelated word pairs and were given confidence-rated item and associative recognition tests. Several different models of recognition were fit to the confidence-rating data using techniques described by S. Macho (2002, 2004). Concordant with previous findings, item recognition data were best fit by an unequal-variance signal detection theory model for both young and older adults. For both age groups, associative recognition performance was best explained by models incorporating both recollection and familiarity components. Examination of parameter estimates supported the conclusion that recollection is reduced in old age, but inferences about age differences in familiarity were highly model dependent. Implications for dual-process models of memory in old age are discussed.     

WEIRDness abounds! Sample characteristics,restricted variance,and why they matter for international selection and assessment research

There is increasing awareness that reliance on samples from Western, Educated, Industrialized, Rich, Democratic (WEIRD) countries may have skewed our view of human phenomena. Nowhere is this more true than in international selection and assessment (ISA) research. In the present paper, we describe a way of understanding the impact of WEIRDness on ISA phenomena: restricted variance (RV). The WEIRDness problem is usually one of cross level interactions in which a country-level variable (e.g., individualism/collectivism) might moderate the relationship between two individual-level variables. RV can help to see not only where such cross level interactions might exist, but also provide a specific, mathematical reason for their existence. We use several examples from IJSA and related sources to illustrate the role of RV in ISA-based WEIRDness.     

Guessing Strategies in Perceptual Identification: A Reply to McKoon and Ratcliff

Light and Kennison (this issue) found that bias effects in the forced-choice perceptual identification of words occurred only in a subset of participants, those who claimed on a strategy questionnaire to be deliberately guessing words they had studied previously. McKoon and Ratcliff (this issue) raised a number of objections to the proposal that bias effects are due to guessing strategies, citing difficulties in our statistical treatment of data, our use of subjective reports to classify participants, and our approach to the general problem of separating implicit from explicit influences on performance. This article responds to these objections.     

Divorce in the Kibbutz: Determinants of emotional adjustment

About two-thirds of a representative sample of kibbutz divorced subjects reached a satisfactory emotional and functioning level of adjustment with a high degree of cooperation between the exspouses by the second postseparation year. This outcome appears to be positively influenced both by a process of habituation and desensitization determined by the continuous physical proximity of the former spouses and by the neutralization of parenting and economic issues as subjects for dispute and litigation.     

Children's self-selection into prevention programs: Evaluation of an innovative recruitment strategy for children of alcoholics

Systematically evaluated the efficacy of a self-selection strategy to recruit elementary-aged children into a school-based prevention program for children of alcoholics. Recruitment involved: a film about parental alcoholism, a follow-up meeting, and an invitation to participate in a prevention program. Of the 844 4th-6th graders exposed to recruitment, 67% showed no interest in the program, 26% attended the follow-up meeting, and 11% obtained parental permission. Analyses focused on group differences according to selection classification on measures of symptomatology and resources available to the child. Significant differences were noted on level of concern about parents' drinking, depression, conduct disorder, and self-worth. Children interested in the program tended to score higher on measures of symptomatology. The potential of a self-selection model for identifying children at risk and areas for future research are discussed.     

IMPROVING DIETARY PRACTICES OF ELDERLY INDIVIDUALS: THE POWER OF PROMPTING,FEEDBACK, AND SOCIAL REINFORCEMENT

Three intervention packages consisting of (a) enhanced prompts, feedback, and social reinforcement; (b) a lottery; and (c) serving as a confederate were added and removed in sequence as adjacent conditions in an extended withdrawal design to assess their effects on the dietary choices of elderly persons. Participants were 3 elderly residents of an independent living facility who were identified as making consistently poor dietary choices and who had medical conditions that necessitated changes in their eating habits. All 3 participants demonstrated a marked increase in healthy choices of food items in response to the package of enhanced prompts, feedback, and social reinforcement. No additional increase occurred with the introduction of the lottery and serving as a confederate. Food-choice data indicated that most of these improvements could be attributed to healthier entree and dessert choices. Group data for all residents suggested small improvements in dietary practices during the three intervention conditions, with the largest proportion of the group's healthy choices occurring when the lottery was added to enhanced prompts, feedback, and social reinforcement. Food-choice data indicated that most of these improvements could be attributed to healthier dessert choices alone.     

Most family physicians report communicating the risks of adverse drug reactions in words (vs. numbers)

Family physicians can communicate to patients the risk of adverse drug reactions using words or numbers, and this format has important implications for patients' ability to make informed decisions. The present study (a) assessed which formats family physicians preferred to communicate the risk of a given side effect, (b) tested whether the severity of this adverse drug reaction affected this preference, and (c) investigated the type of quantifiers physicians preferred to use in general (e.g., ratios, percentages). In a format selection task, a sample of 131 family physicians reported that they mostly use words to communicate to patients the risk of mild and severe adverse drug reactions, but the verbal preference was weaker for severe adverse drug reactions. The quantifier selection task showed that the most common quantifiers were verbal frequencies and verbal probabilities. Family physicians and patients should be aware of the implications of this preference.     

Utilization of Hospital-Based Chaplain Services Among Newly Diagnosed Male Veterans Affairs Colorectal Cancer Patients

The aim of the study was to examine utilization of chaplain services among Veterans Affairs patients with colorectal cancer (CRC). In 2009, the Cancer Care Assessment and Responsive Evaluation Studies questionnaire was mailed to VA CRC patients diagnosed in 2008 (67 % response rate). Multivariable logistic regression examined factors associated with chaplain utilization. Of 918 male respondents, 36 % reported utilizing chaplains. Chaplain services were more likely to be utilized by patients with higher pain levels (OR = 1.017; 95 % CI = 0.999–1.035), younger age (age OR = 0.979; 95 % CI = 0.964–0.996), and later cancer stage (early stage OR = 0.743; 95 % CI = 0.559–0.985). Chaplain services are most utilized by younger, sicker patients.     

Discriminating Semantic from Episodic Relatedness in Young and Older Adults

ABSTRACT

The ability of young (aged 18–30) and older (aged 60–80) adults to discriminate pre-experimental (semantic) from experimental (episodic) associations was examined. Participants studied a list containing semantically related and unrelated word pairs and then made either associative recognition (Experiments 1a and b) or semantic relatedness (Experiment 2) judgments at various response deadlines. For associative recognition judgments, both young and older adults benefited from semantic relatedness, leading to more hits for related than unrelated pairs, and at the long response deadline, older adults' performance on those pairs matched that of young participants. Also, both young and older adults demonstrated superior discrimination for unrelated lures whose members had originally been studied in related pairs – evidence for recall-to-reject processing in both age groups. In making semantic relatedness judgments, both young and older adults showed an episodic priming effect. When older adults can rely on long-standing associations, their performance resembles that of young adults – both in associative recognition and in episodic priming.