The purpose of this manuscript was to develop and test the psychometric properties of the Environmental Restriction Questionnaire (ERQ) a parent-reported questionnaire for measuring perceived environmental restrictions for young children participation. Reliability and homogeneity were tested by Cronbach's alpha and inter-item correlations.…

Motor skills have great impact on children in adapting to an environment and developing interpersonal interaction, cognition, and social behavior. Understanding what children can do and how they perform it is essential. Most motor tests seldom contain quality evaluation in the items or criteria. The purpose of this study was to develop and…

Because of a shortage of valid instruments to measure the QOL of people with profound multiple disabilities (PMD), the QOL-PMD was developed. In the present study, possibilities for item reduction as well as the psychometric properties of the questionnaire were examined. One hundred and forty-seven informants of people with PMD participated in the…