Gender differences in verbal ability: A meta-analysis.

1988 ◽  
Vol 104 (1) ◽  
pp. 53-69 ◽  
Author(s):  
Janet S. Hyde ◽  
Marcia C. Linn
1994 ◽  
Vol 18 (4) ◽  
pp. 451-462 ◽  
Author(s):  
Janet Shibley Hyde

Meta-analysis is a statistical method for literature reviewing. Metaanalyses of gender differences in verbal ability, spatial ability, mathematics performance, helping behavior, and sexuality illustrate the ways in which this technique can illuminate research on gender differences. Meta-analysis can make feminist transformations in psychology by: (a) challenging long-standing beliefs in gender differences, (b) demonstrating the extent to which gendered behavior is context-dependent and the product of gender roles, (c) examining the intersection between gender and race/ethnicity, and (d) providing powerful data to counter assertions of difference and female inferiority that proliferate in the popular media.


2011 ◽  
Author(s):  
Rachael Klein ◽  
Deniz S. Ones ◽  
Stephan Dilchert ◽  
Andrew Biga

2011 ◽  
Author(s):  
Jericho Mariette Hockett ◽  
Sara J. Smith ◽  
Cathleen D. Klausing ◽  
Donald A. Saucier

2018 ◽  
Vol 41 (3) ◽  
pp. e253-e260 ◽  
Author(s):  
Leandro Fórnias Machado de Rezende ◽  
Leandro Martin Totaro Garcia ◽  
Grégore Iven Mielke ◽  
Dong Hoon Lee ◽  
Edward Giovannucci ◽  
...  

ABSTRACT Background Studies on the impact of counterfactual scenarios of physical activity on premature deaths from non-communicable diseases (NCDs) are sparse in the literature. We estimated preventable premature deaths from NCDs (diabetes, ischemic heart disease, stroke, and breast and colon cancers) in Brazil by increasing population-wide physical activity (i) to theoretical minimum risk exposure levels; (ii) reaching the physical activity recommendation; (iii) reducing insufficient physical activity by 10%; and (iv) eliminating the gender differences in physical activity. Methods Preventable fractions were estimated using data from a nationally representative survey, relative risks from a meta-analysis and number of premature deaths (30–69 years) from the Brazilian Mortality Information System. Results Physical activity could potentially avoid up to 16 700 premature deaths from NCDs in Brazil, corresponding to 5.75 and 3.23% of premature deaths from major NCDs and of all-causes, respectively. Other scenarios suggested the following impact on premature deaths: reaching physical activity recommendation (5000 or 1.74% of major NCDs); 10% reduction in insufficient physical activity (500 or 0.17% of major NCDs); eliminating gender differences in physical activity (1000 or 0.33% of major NCDs). Conclusions Physical activity may play an important role to reduce premature deaths from NCD in Brazil.


1996 ◽  
Vol 21 (1) ◽  
pp. 55-70 ◽  
Author(s):  
Christine M. Schram

This meta-analysis of gender differences examines statistics achievement in postsecondary-level psychology, education, and business courses. Thirteen articles examining 18 samples were obtained and coded for the analysis. The average effect size was –0.08 standard deviation units favoring females; however, the results were heterogeneous. Although no model accounted for all between-studies variation, gender differences could best be predicted from the percentage of undergraduate students in the sample, the department offering the course, and the use of course grade or points for the outcome measure. Undergraduate males showed an advantage over undergraduate females. Univariate tests showed that males also significantly outscored females when the outcome was a series of exams. Conversely, females significantly surpassed males when the outcome was total course performance. Lastly, females outscored males in courses offered by business departments.


2017 ◽  
Vol 75 (1) ◽  
pp. 11-20 ◽  
Author(s):  
Linda B Hassing

Abstract Objectives To examine the long-term association between leisure activities in adulthood and cognitive function in old age while recognizing gender differences in activity profiles. Methods The sample included 340 cognitively healthy twins enrolled in the OCTO-Twin Study, a longitudinal study on cognitive aging. Leisure activity was measured in midlife and cognitive function in old age (mean age 83). Leisure activities covered the domains of domestic, intellectual–cultural, and self-improvement activities. The cognitive assessments comprised 5 measurement occasions (2-year intervals) covering verbal ability, spatial ability, memory, and speed. The association between leisure activity and cognitive function was estimated separately for the genders using growth curve models, adjusting for age and education. Results Men and women had the same level of total leisure activity but differed in activity profiles and in the associations between activity and cognitive function. Higher engagement in self-improvement among men was related to higher level of cognitive functioning. Among women, intellectual–cultural activity was related to better verbal ability and memory. Concerning trajectories of cognitive function, domestic activity among men was related to less decline in speed, whereas for women it was related to steeper decline in spatial ability and memory. Further, higher intellectual–cultural activity among women was related to steeper decline in memory. Discussion Cognitively stimulating activities (i.e., self-improvement and intellectual–cultural), might increase cognitive reserve whereas less cognitively stimulating activities (i.e., domestic) do not. Gender differences should be considered when examining lifestyle factors in relation to cognitive aging.


Author(s):  
Jana Strahler ◽  
Hanna Wachten ◽  
Anett Mueller-Alcazar

AbstractBackgroundOrthorexia Nervosa (ON) and exercise addiction (ExAdd) are two phenomena believed to overlap. We conducted a meta-analysis exploring the link between ON and (addictive) exercise behaviors.MethodsA systematic review of major databases and gray literature was carried out for studies reporting on ON and (addictive) exercise behaviors. Random effects meta-analyses were undertaken calculating correlations between ON and (addictive) exercise behaviors. A sub-group analysis investigated gender differences.ResultsTwenty-five studies with 10,134 participants (mean age = 25.21; 56.4% female) were included. Analyses showed a small overall correlation between ON and exercise (21 studies, r = 0.12, 95% CI |0.06–0.18|) and a medium overall correlation between ON and ExAdd (7 studies, r = 0.29, 95% CI |0.13–0.45|). Gender differences were negligible.ConclusionsOrthorexic eating correlated slightly and moderately with exercise and ExAdd, respectively, expressing some unique and shared variance of these behaviors. While this does not suggest ON and addictive exercising to be independent, it does not indicate substantial comorbidity. Future research should focus on clinical relevance, underlying mechanisms, vulnerability, and risk factors.


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