A _____ is an attempt to directly measure whether the independent variable manipulation has the intended effect on the participants.
A)placebo effect
B)manipulation check
C)staged manipulation
D)ceiling effect

Question

Quizplus · Accepted Answer

A manipulation check is a method used to check or directly measure whether the independent variable manipulation has the intended effect on the participants. This is important to ensure that any observed effects on the dependent variable are actually caused by the intended manipulation and not by some unintended factor. A placebo effect refers to any improvement in a participant's condition that occurs as a result of receiving a treatment that is not actually a active or effective treatment. A staged manipulation involves creating a scenario or situation in order to manipulate the independent variable, such as asking participants to role-play a certain situation. A ceiling effect occurs when a large proportion of participants achieve the highest score or ceiling score on a measure, making it difficult to detect differences between groups.

A _____ Is an Attempt to Directly Measure Whether the Independent