The presence of a plausible alternative explanation may be a threat to __________________.
A) internal reliability
B) external validity
C) internal validity
D) external reliability

Question

Quizplus · Accepted Answer

The presence of a plausible alternative explanation may be a threat to internal validity, as it can suggest that the observed relationship between variables may not be causal. This threat is called confounding variable.

The Presence of a Plausible Alternative Explanation May Be a Threat