Common use of Manipulation check Clause in Contracts

Manipulation check. To check the effectiveness of the manipulation and to test the implication of the motivational information, we used two subscales (one for the intrinsic and one for the extrinsic information condition). Both subscales consisted of four items with a 7-point Likert scale (‘is very unlike me’ versus ‘is very like me’). A principal component analysis (PCA) on the intrinsic motivation manipulation check (‘I believe this task will be useful when I work on other school assignments and when reading leisure texts’: = .81) for the data in experiment one showed a good fit for