Chapter 1

5. research method in which behavior is observed and recorded in naturally occurring situations without any manipulation
7. when a research participant's expectations produce the results of an experiment, it is called a ______ effect
8. control procedure in which neither the experimenter nor the research participants are aware of which condition in in effect
10. depiction of the relationship between two sets of scores by means of a graphed cluster of dots
11. condition in which research participants are exposed to the independent variable being studies
13. explanation using an integrated set of principles that organizes and predicts behavior and events
16. measure of central tendency computed by adding the scores in a distribution and dividing by the number of scores
17. the bias we believe, after learning an outcome, that we would have foreseen it

1. measure that indicates the extent to which one factor predicts another factor
2. careful reasoning that examines assumptions, discerns hidden values, evaluates evidence, and assesses conclusions
3. descriptive research strategy in which one person is studied in depth
4. in an experiment, the variable being manipulated and tested by the investigator
6. most frequently occurring score in a distribution
9. a precise definition of the procedures used to identify a variable
12. sample in which every member of the population has an equal chance of being included
14. testable prediction, often implied by a theory
15. score that falls at the 50th percentile, cutting a distribution in half
18. descriptive research technique in which a representative random sample of people is questioned about their attitudes or behaviors