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Ogurlu, Uzeyir; Özbey, Adnan – High Ability Studies, 2022
Some research has investigated the big five personality dimensions among gifted individuals, but these individual studies have provided inconclusive results. The current meta-analysis examined the nature of the relationship between the big five dimensions and giftedness among individuals. Hedge's unbiased g was used as the effect size metric, and…
Descriptors: Gifted, Control Groups, Personality Traits, Personality Measures
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Zach, Sima; Yazdi-Ugav, Orly; Zeev, Aviva – School Psychology International, 2016
This study aimed to examine to what extent academic achievements, learning disorders, behavior problems and loneliness explain the variance of students' social skills. The differences between students diagnosed with learning disorders and students without learning disorders in all four variables were examined. Participants were 733 elementary…
Descriptors: Academic Achievement, Behavior Problems, Predictor Variables, Learning Problems
Abramitzky, Ran; Lavy, Victor – National Bureau of Economic Research, 2011
This paper uses a novel dataset to test the important theoretical prediction that the level of investment in schooling is increasing in the rate of return to education. We exploit a unique episode where different Israeli kibbutzim shifted from equal sharing to productivity-based wages in different years, resulting in sharp increases in the return…
Descriptors: Evidence, Control Groups, Outcomes of Education, Prediction
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Rubinstein, Gidi – Death Studies, 2004
This study investigated locus of control (LC) and hopelessness (H) among 25 pairs of bereaved parents, who lost their children in the Arab--Israeli conflict, and 25 pairs of demographically matched non-bereaved parents (mean age 53). Four of the 5 hypotheses were supported by results. LC was significantly more external and H was significantly…
Descriptors: Mothers, Locus of Control, Gender Differences, Control Groups