Constructivist-based approaches to teaching typically make extensive use of problem-based learning (PBL) and learning-by-doing (LBD) which were used investigate their effects on psycho-productive skills in Agricultural science secondary school. The research design adopted was a pre-test, post-test, non-randomised control group quasi-experimental. sample comprised eighty-four students from three...

EUKEMOGENESIS induced by repeated exposures to x-ray and other forms of radiation energy has long been recognized in man and in experimental ammals.’3 The explosion of the atomic bombs in Japan exposed two large human populations to single brief but massive doses of ionizing irradiation and subsequently a marked increase in leukemia among survivors was reported.4 ‘ The present study consists of...

Children show stronger cooperative behavior in experimental settings as they get older, but little is known about how the environment of a child shapes this development. In adults, prosocial behavior toward strangers is markedly decreased in low socio-economic status (SES) neighborhoods, suggesting that environmental harshness has a negative impact on some prosocial behaviors. Similar results h...

We conducted a reliability-generalization meta-analysis of 7 of the most frequently used measures of relationship satisfaction: the Locke-Wallace Marital Adjustment Test (LWMAT), the Kansas Marital Satisfaction Scale (KMS), the Quality of Marriage Index, the Relationship Assessment Scale, the Marital Opinion Questionnaire, Karney and Bradbury's (1997) semantic differential scale, and the Couple...

The incidence of self-reported cognitive failures among older adults may be an index of successful cognitive aging. However, self-reported cognitive failures are biased by variation in depressive symptomatology. This study examined age-related and socio-cultural context effects on cognitive failures while controlling for depressive symptoms. Both overall and specific factors of cognitive failur...