In a study to determine whether how long a student sleeps affects test scores, the independent variable is the length of time spent sleeping while the dependent variable is the test score.Group of answer choicesTrueFalse

In a study examining the relationship between the amount of sleep and memory retention, what is the dependent variable? a. Memory retention b. The amount of sleep c. The type of memory test d. The time of day

In experimental research the dependent variable  is the condition that you measure in an experiment.Group of answer choicesTrueFalse

Independent variables that are not related to the purpose of the study, but may affect the dependent variable are termed as ___________Choose one optionIndependent variableDependent variableExtraneous variableNone

In regression analysis, the independent variable is ___.Group of answer choicesused to predict the dependent variableused to predict the independent variableused to predict other independent variablescalled the intervening variable

Students were involved in an experiment to investogate wheter playing music while they took a test affected their scores .What would their test scores be?a.Interdependent variableb.Controlled variablec.Dependent variabled.Independent variable