To illuminate individual differences in the development of attention-deficit hyperactivity disorder (ADHD) symptoms in the general population, psychometric measures are needed that can capture general population-level symptom variation reliably, validly, and comparably from childhood through to the transition to adulthood. The ADHD subscale of the…

Background: The Personal Outcomes Scale is a measurement tool to examine quality of life among persons with intellectual disability. This paper addressed the validity and reliability of the Japanese version of the scale using both self-reports and reports of others. Method: Data were collected from 128 people with intellectual disability (90 men…

The satisfaction of adolescents' perceived psychological needs facilitates their academic achievement and adjustment within school. A first step in this direction is the identification of adolescents' psychological needs and the environmental factors to meet these needs. Based on the theory of Existence, Relatedness, and Growth, known as ERG, the…

Understanding human motivation requires gauging individuals' strivings to be effective in controlling goal pursuits and establishing the truth about themselves and their experiences. Two constructs, assessment and locomotion, capture well truth and control strivings, respectively. The validation process of the instruments measuring assessment and…

This report describes the development and validation of an instrument, the University Mathematics Classroom Environment Questionnaire (UMCEQ), for assessing the mathematics classroom environment in tertiary institutions in China. Through the use of multiple methods, including exploratory and confirmatory factor analyses, on two independent samples…

This study validated the four mathematics tests of the Spanish version of the Woodcock-Johnson III (WJ-III) Achievement (ACH) battery for use in the first six grades of school in Spain. Developmental effects and gender differences were also examined. Participants were a normal population sample of 424 (216 boys) children aged 6 to 13 years.…

Results from a translated and revalidated measure of moral judgment completed by 161 Belgian adolescents and young adults and from a measure of religious judgment completed by 142 subjects support the usefulness of a questionnaire to measure religious judgment and provide information about its relationship to moral judgment in young adults. (SLD)

The Mann-Suiter Developmental Screening Tests were administered individually to 79 German and American first grade students in their native languages. The subtests, which examined minimum skills necessary for school success, were used to develop a profile of each child's strengths and weaknesses in visual, auditory, and language areas. Children…