The internal validity of a measure involves the extent to which
A)the effects of an experiment are truly due to conditions the researcher intended to manipulate.
B)different observers of the same behaviour agree.
C)the results of a study hold when studies are conducted with different participants and different methods.
D)a participant's performance is similar on two or more occasions.

Question

Quizplus · Accepted Answer

Internal validity refers to the degree to which the effects observed in an experiment are due to the manipulation of the independent variable and not other factors.

The Internal Validity of a Measure Involves the Extent to Which