Using item response theory (IRT) in computer adaptive test (CAT) is critical to assess learners’ readiness for further learning. This theory has assumptions concerning the mathematical relationship between learner’s abilities and item responses. A numerical value from the theory has potential to decide who the best learner is. The IRT score only provides the learner’s result and lack of the ass...

BACKGROUND impairment of functional abilities represents a crucial component of dementia diagnosis. Current functional measures rely on the traditional aggregate method of summing raw scores. While this summary score provides a quick representation of a person's ability, it disregards useful information on the item level. OBJECTIVE to use item response theory (IRT) methods to increase the int...

[Purpose] This study aimed to cross-cultural adapt and validate the Korean version of an physical activity measure (K-PAM) for community-dwelling elderly. [Subjects and Methods] One hundred and thirty eight community-dwelling elderlies, 32 males and 106 female, participated in the study. All participants were asked to fill out a fifty-one item questionnaire measuring perceived difficulty in the...

The Brief Electricity and Magnetism Assessment BEMA , developed by Chabay and Sherwood, was designed to assess student understanding of basic electricity and magnetism concepts covered in college-level calculus-based introductory physics courses. To evaluate the reliability and discriminatory power of this assessment tool, we performed statistical tests focusing both on item analyses item diffi...

Understanding item difficulty in science concepts is essential for teachers teaching and learning to avoid student misconceptions. This study aims evaluate the patterns of estimates exploring misconceptions across physics, biology, chemistry explore differential functioning (DIF) items developed diagnostic test on basis gender grade. Participants were drawn from 856 students (52.3% females 47.7...

Progress monitoring is a process of collecting ongoing samples student work and tracking performance individual students over time. involves administering parallel sets items to the same on regular basis (at least monthly) that are sensitive changes in student’s understanding based instruction. The administered time should be difficulty so differences can attributed as opposed variability item ...

BACKGROUND Physical functioning is an important health domain for adults. OBJECTIVE Evaluate physical functioning items in Medicare beneficiaries. RESEARCH DESIGN Survey data from the 2010 Consumer Assessment of Healthcare Providers and Systems Medicare survey. SUBJECTS The 366,701 respondents were 58% female; 38% were 75 or older; 57% had high school education or less. MEASURES Walking...