Question

Identifying Threats to Internal Validity Threats to internal validity are common in quasi- experimental studies. What follows is a list of some threats you’ve encountered in this chapter and in Chapter 5. For each of the hypothetical experiments described, identify which of these threats is most likely to provide a reasonable alternative explanation of the outcome. In some cases, more than one threat could be involved.

Question: A company decides to introduce a flextime program. It measures productivity for January, runs the program for six months, and then evaluates productivity during the month of June. Productivity increases.

Answer 1