Dr. Ford wants to test the hypothesis that room color can affect memory. To that end, he randomly assigns 10 students to a condition where they study a written passage while seated in a room that is painted a lilac color. The other 10 students study the passage while seated in an identical room that is painted bright orange. After both groups studied the passage for one hour, they are given a
multiple-choice test over the material. Dr. Ford then calculates how many questions the students in both groups answer correctly. Dr. Ford’s study is an example of a(n) ____.
a. ?correlational study
b. ?naturalistic observation
c. ?experiment
d. ?case study
ANSWER:
c
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Random assignment is important to an experiment to ensure that
a. any differences found between the groups are caused by the independent variable. b. any differences found between the groups are caused by the dependent variable. c. the subjects in a study are a good representation of the larger population. d. experimenter bias does not contaminate the results.
Describe the basic components of the multidimensional integrative model. What are the dimensions, and what does the term integrative mean in this model?
What will be an ideal response?
Securely attached infants are:
a. happier. b. more distressed than others when their mothers leave them alone. c. more difficult to put to bed at night than others. d. all of these
A pattern of conversational interaction between parent and infant that involves alternate sending and receiving of messages is referred to as
a. turn-taking. b. imprinting. c. presemantics. d. transformation.