A psychologist wants to know if adults with normal vision can be fooled by a certain optical illusion. She recruits 50 students from her PSY 120 class and finds that 42 of them are fooled by the illusion. The population in this study is
• the 42 students who were fooled
• the 50 students who served as subjects
• all the students in the PSY 120class
• all adults with normal vision.
Answer:
• all adults with normal vision
Step-by-step explanation:
The sentence shows us that the psychologist focused on adults with normal vision. Other details are meant to distract from the aim and subject of the experiment.
The population of the study includes all the adults with normal vision.