Question

question 3 an independent variable in an experiment refers to a. the variable that provides an alternative explanation for the results of the experiment. b. the variable that affects the subjects’ behavior. c. the variable that the experimenter believes will change in value because of systematic correlations that exist in the experiment. d. the variable that is held constant across experimental conditions.

Explanation:

La variable independiente en un experimento es aquella que el investigador manipula y que produce un cambio en la variable dependiente, es decir, afecta el comportamiento de los sujetos del estudio. Las opciones A se refiere a una variable de confusión, C describe la variable dependiente y D se trata de una variable controlada.

Answer:

B. the variable that affects the subjects’ behavior.