This article presents the construction, exploratory dimensionality analysis (Study 1), and validation (Study 2) of the self-report and 36-item Individuation Test for Emerging Adults (ITEA). It is the first instrument to measure different aspects of individuation (in relation to mother and father) specifically in emerging adulthood. The construct validity of the final 5-factor structure (Support Seeking, Connectedness, Intrusiveness, Self-Reliance, and Fear of Disappointing the Parent) was satisfactory. The results of multigroup analyses demonstrated that the factor structure is stable across male and female emerging adults for ITEA assessments in relation to both mother and father. The ITEA scales also show good internal consistency and concurrent validity against Emotional, Conflictual, and Functional Dependence scales of the Psychological Separation Inventory.
The study examined individual factors and social factors that influence adolescent students’ achievement in mathematics. The predictive model suggested direct positive effects of student intelligence, self-rated openness and parental education on achievement in mathematics, whereas direct effects of extraversion on measures of achievement were negative. Indirect positive effects of intelligence, self-rated conscientiousness, student-perceived mathematics teacher’s press for understanding and mastery goal, and a negative effect of student-rated parental academic pressure on course achievement were mediated through the students’ self-efficacy in mathematics. The findings highlight the important role that individual differences in ability and personality, as well as student perceptions of parent and teacher academically related variables, play in the students’ performance in mathematics.
Taking the findings regarding the factorial structure of the scale into account, we recommend the use of the total EHFScBS score or scores on specific items.
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