Theory of planned behavior interventions for reducing heterosexual risk behaviors: A meta-analysis.

Objective: The meta-analysis reported here examined interventions informed by the theory of planned behavior (TPB) or theory of reasoned action (TRA) aimed at reducing heterosexual risk behaviors (prevention of STDs and unwanted pregnancy).

Methods: Studies were eligible for inclusion if they were either randomized control trials or quasi-experimental studies that compared the TPB-based intervention against a control group. Search strategy consisted of articles identified in previous reviews, keyword search through search engines, examination of key journals, and contacting key experts.

An exploratory investigation of barriers and enablers affecting investment in renewable companies and technologies in the UK.

The last few years have seen considerable research expenditure on renewable fuel technologies. However, in many cases, the necessary sustained and long-term funding from the investment community has not been realized at a level needed to allow technologies to become reality. According to global consulting firm Deloitte's recent renewable energy report (http://www.

Interactive effects of sex hormones and gender stereotypes on cognitive sex differences--a psychobiosocial approach.

Biological and social factors have been shown to affect cognitive sex differences. For example, several studies have found that sex hormones have activating effects on sex-sensitive tasks. On the other hand, it has been shown that gender stereotypes can influence the cognitive performance of (gender-) stereotyped individuals.

Reducing stereotype threat by blurring intergroup boundaries.

The authors aimed to establish whether interventions designed to reduce intergroup bias could be applied to the stereotype threat domain. In three experiments, the hypothesis was tested that blurring intergroup boundaries would reduce stereotype threat. In the first study, it was found that female participants who thought about characteristics shared between the genders tended to show less preference for stereotypical female careers than did participants in the baseline condition.