Activity: Threats to Internal Validity: Smarties vs. Dum Dums

This activity helps students remember potential sources of threats to internal validity, through an in-class activity where students engage in an “experiment” with several intentional threats to internal validity. Students identify the threats and get candy. Easily one of our students favorite activities. Please click here for the file.

Activity: Threats to Internal Validity: Smarties vs. Dum Dums Read More »