Major Steps in Test Development
Statement of Purpose
- Focus on trait and scores/interpretation
Mode of Administration
- Understand processes as person is taking
Length of Exam
- Long makes it more reliable
Item Format
- Some subjectivity in essay responses, etc.
Number of Scores
Administrator Training
Background Research
- Discussions with practitioners if used by clinicians
Item Preparation
Selected Response Items (Fixed Response)
Constructed Response Items (Free Response)
Fill in the blank style test items
Inter-Rater Reliability
Scoring requires judgment and a certain degree of agreement is crucial so items are evaluated in the same way or similar way
Holistic
- Overall impression of what the paper is
Analytic
Point System
Scoring scheme in which certain points must be included for a perfect answer or full credit
Automated Scoring
Suggestions for Writing Constructed Response Items
Three Selected-Response Advantages
Two Constructed Response Advantages
- Exploring unusual areas such as covering materials multiple choice cannot address
Item Analysis
Involves the statistical analysis of data obtained from an item tryout
Three Phases of Item Tryout
Informal Item Tryout
5-10 people similar to those for whom the test is intended comment on the items and directions
Formal Item Tryout
Administration of test items to samples of examinees who are representative of the target population for the test
Independent Study