When an experimenter can confidently state that the findings from an experiment were due to the independent variable, and not due to other uncontrolled factors, the research is called
A)testable.
B)statistically significant.
C)double-blind.
D)internally valid.

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which the design and implementation of an experiment ensures that the outcome is actually due to the manipulation of the independent variable, rather than any other factors. Therefore, when an experimenter can confidently state that the findings were due to the independent variable, and not due to other uncontrolled factors, the research is internally valid.

When an Experimenter Can Confidently State That the Findings from an Experiment