contestada

An experimental researcher selects students who had low scores on a math pre-test and high scores on a math post-test to participate in a study examining the influence of a new math curriculum in an elementary school grade. What potential threat to validity exists in the experiment?

Respuesta :

olalekanortega

Answer:

History

Explanation:

The history of the students in relation to their mathematical skills is a potential threat to validity of the experiment.

Otras preguntas