Psychology 101 quiz 1 100% verified

Question 1 1 / 1 pts In a psychological experiment, the experimental factor that is manipulated by the investigator is called the ________ variable. dependent independent control experimental Question 2 1 / 1 pts Both the researchers and the participants in a memory study are ignorant about which participants have actually received a potentially memory-enhancing drug and which have received a placebo. This investigation involves the use of replication. naturalistic observation. the double-blind procedure. random sampling. Question 3 1 / 1 pts Correlational research is most useful for purposes of prediction. replication. explanation. control. Question 4 1 / 1 pts Research participants are randomly assigned to different groups in an experiment in order to increase chances that participants are representative of people in general. minimize chances that participants in any group know each other. minimize any differences between groups of participants. increase chances that the different groups have the same number of participants.