Coma researcher Steven Laureys and his colleagues used fMRI to reexamine 54 patients previously diagnosed as being in a persistent vegetative state, or brain dead. Patients were repeatedly asked to imagine swinging a tennis racquet or walking down a familiar street. Five of the patients showed clearly different brain activity to the two tasks despite being unable to communicate with doctors in any other way. These results suggest that not all patients are brain-dead, but instead some may have

An effect size (d) of .20 is considered:

a. small b. large c. moderate d. significant

A researcher conducts extensive, in-depth interviews with a small group of highly gifted

children with genius IQs. What type of study is he conducting? a. case study b. naturalistic observation c. experiment d. laboratory observation

Regarding graphology, which of the following statements is FALSE?

a. Graphologists score close to zero on tests of accuracy in rating personality. b. Graphologists do no better than untrained college students in rating personality and job performance. c. A graphological society concluded that handwriting analysis should not be used to select people for jobs. d. Graphology cannot be used to detect forgeries.

Adolescents are more likely to confirm to peers when they

A. have high self-esteem. B. experience low levels of social anxiety. C. are in the presence of someone they perceive to have higher status than themselves. D. are sure about their social identity.