Manual Event (Session ID,DateTime,Event) = k5rje1ebojl9eq729fsa7tsp6a 20251109230329 /communities/does-a-pretest-posttest-control-group-design-expose-to-certain-threats-for-internal-validity/

A A A

Sign In

繁
Eng
简

☰

A A A

Sign In

About Us
Courses for Public
Web-based Audio Visual Learning Materials
Outcome / Impact Indicator Bank
Best Practices Sharing
Online Community of Practices
Courses for Participants
Participants and Alumni
International Conference
Contact Us

Does a pretest-posttest control group design expose to certain threats for internal validity?

Home>Online Community of Practices>Does a pretest-posttest control group design expose to certain threats for internal validity?