The seventh psychosocial stage is expressed in the role of

Which of the following is a scientific basis for mass hysteria?

a) placebo effect b) vicarious conditioning c) emotional contagion d) biological scarring

Research on how people respond to informed consent forms has revealed that

a. many Americans don't read well enough to understand what they are reading on the informed consent forms. b. many people do not bother to read the informed consent forms because they trust the researchers. c. the informed consent forms often omit information important for people to understand the research d. people are often upset after learning what they will have to undergo if they participate in the research.