Many universities use diagnostic tests to assess incoming students' preparedness for mathematics courses. Diagnostic test results can help students to identify topics where they need more practice and give lecturers a summary of strengths and weaknesses in their class. We demonstrate a process that can be used to make improvements to a mathematics…

Test development is a complicated process that demands examining various factors, one of them being writing items of varying difficulty. It is important to use items of a different range of difficulty to ensure that the test results accurately indicate the test-taker's abilities. Therefore, the factors affecting item difficulty should be defined,…

This article and its Online Supplemental Material describe the development of the California School Wellness Index (CSWI), a tool to aid mental health research and practice in schools, specifically for wellness screening and monitoring. The CSWI is a 0-40 composite index derived from responses to the Brief Multidimensional Student Life…