Existing research has revealed key factors influencing mathematical flexibility, defined as the capacity to understand, generate, and apply a variety of strategies in solving mathematical problems. However, there is currently a lack of an integrated theoretical framework to systematically consolidate various sources of individual differences in…

The SEL Innovations series aims to help the field imagine new, more expansive and equitable approaches to social and emotional learning (SEL) and wellness to ensure that all children, adolescents, and adults feel safe, supported, and seen so that they can thrive. This is the second report in a series exploring innovations in SEL. The purpose of…

This book is a primer for practitioners and researchers striving to incorporate the assessment of human strengths, resources, and fulfillment into their work. Contributors examine the scientific underpinnings and practical applications of measures of hope, optimism, self-efficacy, problem-solving, locus of control, creativity, wisdom, courage,…

Despite increased interest in real life problem solving with both children and adults, the question of whether problem solving is related to psychological adjustment remains unanswered. To examine whether college students' self-appraisal of their problem solving skills is related to their psychological adjustment, 671 students took the Problem…

The purpose of the Commons Game is to teach students how social traps work; that is, that short-term individual gain tends to dominate long-term collective gain. Simulations of Commons Dilemma have grown considerably in the last decade; however, the research has used small face-to-face groups to study behavior in the Commons. To compare the…

Two studies on cognitive performance in mentally retarded children are reported. In the first study, the Bayley Scales of Infant Development were administered to 56 mentally retarded children, aged 2 to 6, to determine the possibility of discerning subsets of items that form a developmental pattern of interrelated subscales, using the SCAMMO scale…