One-group pretest-posttest design is used in the outcome evaluation of Juvenile Delinquency Program. However, someone argues that it may have testing bias. Could anyone explain what is testing bias?
主頁>網上研討平台>One-group pretest-posttest design is used in the outcome evaluation of Juvenile Delinquency Program. However, someone argues that it may have testing bias. Could anyone explain what is testing bias?
