A test has __________ validity if the researcher is able to control all extraneous variables so that the only variable influencing the results of the study is the independent variable.
A) continuous
B) internal
C) face
D) external

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which a study is able to establish a causal relationship between the independent variable and the dependent variable, by controlling for extraneous variables. A study with high internal validity would ensure that the only factor influencing the results is the independent variable being tested.

A Test Has __________ Validity If the Researcher Is Able