... strengthen the experimental design by pretesting the stimulus materials with a separate sample to validate the manipulation and avoid priming participants in the main experiment. Additionally, the design of the stimuli was not perfect. The internal and external CSR conditions differed slightly in text...

...; t(389.51) = −12.80, p < 0.001] with regard to congruence. Therefore, the manipulation of our experimental factors was successful. For details, please see Online Appendix B under the OSF. Before conducting our experiment, we tested our manipulation with a pre-test. We used the same...

... were randomly assigned to one of four experimental groups and received two Instagram posts about eco-friendly accommodations (Figure A1 , Appendix 1). The posts were either labeled as sponsored (“Paid partnership with (brand)” and “#sponsored”) or not. In addition, the influencer reported altruistic...