The main aim of this study is to develop a useful, valid, and reliable two-tier proportional reasoning skill test for middle school 7th and 8th-grade students. The research was carried out using the sequential explanatory mixed method. The study group of this research comprised of 391 (n[subscript 7th-grade]=223, n[subscript 8th-grade]=168)…

The purpose of this study was to examine the content validity of the Scale of Teachers' Attitudes towards Inclusive Classrooms (STATIC). An expert panel of 20 special education teachers and five university faculty members provided individual item ratings on a five-point scale regarding wording and content, along with comments. Item and comment…

The Transition Awareness & Possibilities Scale (TAPS) was crafted after an extensive review of literature was conducted to find research that examined and described specific aspects of transition programming: inputs, including supports and skill instruction; processes, including parent and support provider perceptions of the transition experience;…

To address the need for a standardized system to classify the gross motor function of children with cerebral palsy, the authors developed a five-level classification system analogous to the staging and grading systems used in medicine. Nominal group process and Delphi survey consensus methods were used to examine content validity and revise the…

Raising a child with disabilities impacts the ability of parents to participate in life situations. This paper describes the development of a new instrument, Life Participation for Parents, to measure outcomes of pediatric therapy on parental participation. Items were reviewed by six occupational therapists with experience in pediatrics and…

The purpose of this article is to describe the processes followed to develop an authentic, reliable and valid play-based assessment of communication-related behaviours in young children with severe disabilities. The Daily Multiple Measurement Instrument (DMMI) was developed to be used based on an intervention package of play activities. The…

The objectives of this study were: (1) to examine the psychometric properties of the Assessment of Life Habits (LIFE-H) for children; and (2) to draw a profile of the level of participation among children of 5 to 13 years of age with various impairments. The research team adapted the adult version of the LIFE-H in order to render it more…

The primary purpose of the investigation was to determine the extent to which (a) the Wisconsin Alternate Assessment (WAA) adequately measures the skills and concepts that make up the curriculum and instruction of students with significant disabilities; and (b) the WAA adequately measures the concepts and skill areas represented in Wisconsin's…