Seasonal Variations in Color Preference

We investigated how color preferences vary according to season and whether those changes could be explained by the ecological valence theory (EVT). To do so, we assessed the same participants’ preferences for the same colors during fall, winter, spring, and summer in the northeastern United States, where there are large seasonal changes in environmental colors. Seasonal differences were most pronounced between fall and the other three seasons. Participants liked fall‐associated dark‐warm colors—for example, dark‐red, dark‐orange (brown), dark‐yellow (olive), and dark‐chartreuse—more during fall than other seasons. The EVT could explain these changes with a modified version of Palmer and Schloss’ (2010) weighted affective valence estimate (WAVE) procedure that added an activation term to the WAVE equation. The results indicate that color preferences change according to season, as color‐associated objects become more/less activated in the observer. These seasonal changes in color preferences could not be characterized by overall shifts in weights along cone‐contrast axes.     

Using stress and resource theories to examine the incentive effects of a performance-based extrinsic reward

We expected a positive boosting effect of a performance-based extrinsic reward on motivation and performance for those with higher control-related resources (i.e., perceived task control and trait self-control) and a positive compensating effect for those who lacked these resources. Study 1 supported compensation. Those with lower resources experienced a beneficial effect of reward on motivation and performance (i.e., compared to no reward). In Study 2, coping was examined as a mechanism. Again, reward compensated for lower resources, enhancing motivation, and performance due to enhanced coping. For those with higher resources, reward boosted motivation and performance due to coping. Thus, the interactive effects of reward and resources are paradoxical: higher resources can maximize the utility of a reward, but reward can also compensate for low resources.     

Child‐Centered Group Play Therapy With African American Boys at the Elementary School Level

Culturally sensitive counseling interventions are needed for African American boys in elementary school. Two important components of counseling African American boys are honoring the African worldview and building self‐confidence. Child‐centered group play therapy is a common intervention for elementary school children. In this article, the authors describe how child‐centered group play therapy with African American boys at the elementary school level honors the African worldview and facilitates their self‐confidence. Counseling implications and recommendations for research are discussed.     

Decision‐making competence: External validation through an individual‐differences approach

This study asks to what extent (a) individuals show consistent performance differences across typical behavioral decision‐making tasks, and (b) how those differences correlate with plausible real‐world correlates of good decision making. Seven tasks, chosen to span the domain of decision‐making skills, were administered to participants in an ongoing longitudinal study providing extensive social, psychological, and behavioral measures. Performance scores on individual tasks generally showed small, positive inter‐task correlations. An aggregate measure of decision‐making competence (DMC) was appropriately correlated with plausible sources, concomitants, and outcomes of good decision making, suggesting the underlying construct's external validity. Higher DMC scores were associated with more intact social environments, more constructive cognitive styles, and fewer ‘maladaptive’ risk behaviors. In each case, DMC adds to the predictive validity of general measures of cognitive ability. These results suggest that poor decision making on common laboratory tasks is related to real‐world antecedents and consequences of poor decision making. Copyright © 2005 John Wiley & Sons, Ltd.     

Control blindness: Why people can make incorrect inferences about the intentions of others

There is limited evidence regarding the accuracy of inferences about intention. The research described in this article shows how perceptual control theory (PCT) can provide a “ground truth” for these judgments. In a series of 3 studies, participants were asked to identify a person’s intention in a tracking task where the person’s true intention was to control the position of a knot connecting a pair of rubber bands. Most participants failed to correctly infer the person’s intention, instead inferring complex but nonexistent goals (such as “tracing out two kangaroos boxing”) based on the actions taken to keep the knot under control. Therefore, most of our participants experienced what we call “control blindness.” The effect persisted with many participants even when their awareness was successfully directed at the knot whose position was under control. Beyond exploring the control blindness phenomenon in the context of our studies, we discuss its implications for psychological research and public policy.     

Is Maternal Fatigue Mediating the Relationship Between Maternal Depression and Child Outcomes?

Fatigue, a subjective state that has been defined as a decreased capacity for physical or mental activity, has many behavioral similarities to depression (e.g., weariness, difficulty concentrating, diminished motivation). We hypothesized that fatigue might mediate the relationship between depression and poor child outcomes. A sample of mothers (14 well women, 57 with multiple sclerosis, and 36 with rheumatoid arthritis) completed an online survey where they reported on their fatigue (using the Modified Fatigue Impact Scale), depression (using the 20-item Center for Epidemiological Studies Depression Scale), child internalizing and externalizing behaviors (using the Child Behavior Checklist), and child prosocial behaviors (using a 10-item abbreviated Positive Behavior Scale). Maternal fatigue mediated the relationship between maternal depression and the total problems T-score on the Child Behavior Checklist but a mediated relationship was not found for the Positive Behavior Scale. Findings are discussed in light of the need to elucidate the relationship between maternal fatigue, depression, and child outcomes.     

The genetics of cognitive impairment in schizophrenia: a phenomic perspective

Cognitive impairments are central to schizophrenia and could mark underlying biological dysfunction but efforts to detect genetic associations for schizophrenia or cognitive phenotypes have been disappointing. Phenomics strategies emphasizing simultaneous study of multiple phenotypes across biological scales might help, particularly if the high heritabilities of schizophrenia and cognitive impairments are due to large numbers of genetic variants with small effect. Convergent evidence is reviewed, and a new collaborative knowledgebase - CogGene - is introduced to share data about genetic associations with cognitive phenotypes, and enable users to meta-analyze results interactively. CogGene data demonstrate the need for larger studies with broader representation of cognitive phenotypes. Given that meta-analyses will probably be necessary to detect the small association signals linking the genome and cognitive phenotypes, CogGene or similar applications will be needed to enable collaborative knowledge aggregation and specify true effects.     

Robust regression for single-case data analysis: How can it help?

This study examined the degree to which outliers were present in a convenience sample of published single-case research. Using a procedure for analyzing single-case data Allison &; Gorman (Behaviour Research and Therapy, 31, 621–631, 1993), this study compared the effect of outliers using ordinary least squares (OLS) regression to a robust regression method and attempted to answer four questions: (1) To what degree does outlier detection vary from OLS to robust regression? (2) How much do effect sizes differ from OLS to robust regression? (3) Are the differences produced by robust regression in more or less agreement with visual judgments of treatment effectiveness? (4) What is a typical range of effect sizes for robust regression versus OLS regression for data from “effective interventions”? Results suggest that outliers are common in single-case data. The effects of outliers in single-case data are explored, and the implications for researchers and practitioners using single-case designs are discussed.     

To be or not to be (ethnic): Public vs. private expressions of ethnic identification differentially impact national inclusion of White and non-White groups

Many pluralistic nations are witnessing vigorous debate about multiculturalism. In the U.S., Americans generally embrace principles of ethnic diversity but dislike minorities who express strong ethnic identification. Two experiments examined this seeming contradiction by differentiating between ethnic identity expressed in private vs. public by non-White and White individuals. Then we tested whether individuals' identity expressions differentially affected perceivers' construal of their entire ethnic group as legitimately American. Results indicated that at a conscious level, White and non-White ethnic groups were held to the same standard and construed as significantly less American when members expressed their ethnic identity publicly vs. privately. However, at an unconscious level, a double standard emerged: non-White ethnic groups were implicitly rejected as less American if members expressed ethnic identity publicly, while White ethnics were implicitly accepted as legitimate Americans regardless of where they expressed ethnic identity.     

Development of a metabolic equation for the NuStep recumbent stepper in older adults

The purpose of this study was to develop an accurate metabolic equation for estimating steady-state oxygen consumption (VO2) during submaximal NuStep exercise. Adults (N = 40; M age = 64.0 yr., SD = 6.5; M height = 170.1 cm, SD = 9.1; M weight = 85.7 kg, SD = 19.9) performed two randomized testing sessions. Each session consisted of six stages with combinations of four workloads (1, 3, 5, and 7) at 3 cadences (60, 80, and 100 steps/min.). Multiple regression analysis to predict steady-state VO2 from NuStep workload (W), NuStep steps/min., and subject body mass resulted in the following model (R2 = .73): Steady-state VO2 = 3.5 + 0.016 (W* steps/min.) + 0.092 (steps/min.) - 0.053 (weight). The standard error of the estimate and total error for the prediction of steady-state VO2 under all NuStep workload conditions were 2.3 mL/kg/min. and 2.4 mL/kg/ min., respectively. The standard error of the estimate and total error values are similar to those previously reported in the literature regarding the accuracy of metabolic equations for other exercise modalities. These findings support the use of the equation developed to predict steady-state VO2 for NuStep exercise in older adult clientele.