All of the experimental tasks are adapted from prior research, and three of them show a portion of their instruments. Two studies have executive MBA students as participants. These studies briefly describe the participants’ task-related experience, making the evaluation of the appropriateness of the participants and, therefore, the internal validity and external validity more feasible. Other studies have undergraduates as participants, which may harm the validity. The number of participants ranges from 120 to 193; however, there are no explanations about the sample size determination. Regarding sample selection, one article reveals that the participants are volunteers. All articles report that the participants are