Your 83-year-old uncle has always been a very entertaining storyteller. In the past few years, he has been having difficulty remembering the names of people who are important for his stories. What difficulty is your uncle experiencing?

If a researcher assigns subjects randomly to the various groups in an experiment,

a. replication studies will be impossible. b. confounding of participant variables is less likely. c. confounding of independent variables is less likely. d. a control group will be unnecessary. e. tracking participant behavior will be near impossible.

Which of the following cases represents the most common onset and outcome of a dissociative disorder?

a) Al's symptoms occurred suddenly and ended abruptly. b) Bianca's symptoms developed after years of abuse and ended abruptly. c) Dana's symptoms developed suddenly and ended after decades of extensive treatment. d) Ed's symptoms occurred suddenly and have never changed after years of treatment.