A frequency method is used to quantify observations made in a study by ______.
A. dividing an observational period into equal intervals of time, then recording whether or not certain behaviors occur in each interval
B. counting the number of times a behavior occurs during a fixed or predetermined period of time
C. recording the amount of time or duration that participants engage in a certain behavior during a fixed period of time
D. defining behavior
Answer: B
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According to the themes of your textbook,
a. our cognitive processes typically operate independently of one another. b. our cognitive processes usually occur automatically. c. our cognitive processes are quite accurate; our errors can often be traced to strategies that are useful in other situations. d. we react to negative information more efficiently than we react to positive information.
You wish to understand a group’s composition. You should therefore study the
a. relationships linking members to each other. b. group’s degree of cohesiveness. c. goals the group is seeking. d. extent to which the group is perceived to be a real group. e. qualities of the members of the group.
A basic statistical principle of scientific research is that correlation __________.
A. indicates causation B. does not imply causation C. implies causation if it is significantly positive D. implies causation if it is significantly negative
Which of these is the strongest inherent risk factor for cancer?
A) ?Ethnic background B) ?Advancing age C) ?Family history D) ?Gender