A disadvantage of observation is observer bias. Discuss at least two ways of minimizing observer bias.
Answer to relevant QuestionsDiscuss the ethics of concealed observation. Explain the principles of wording, stating how these are important in questionnaire design, citing examples not in the book. Explain why mortality remains a problem even when a Solomon four-group design is used. Explain the concept of “trade-off between internal and external validity. a. Read the paper of Cacioppo and Petty (1982) and describe how the authors generated the pool of 45 scale items that appeared relevant to need for cognition. b. Why do we need 34 items to measure “need for cognition”? ...
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