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Psychology Chapter 1

Name ____________________________________
Across
The arithmetic average of a distribution of numbers.
Scientific study of behavior and mental processes.
A measure of the relationship between two variables.
A general explanation of a set of observations or facts.
The square root of the average squared deviations from the mean scores in a distribution.
Study of one individual in great detail.
Focus of study is how the mind allows people to adapt, live, work, and play.
Concerned with the collection and interpretation of numerical data.
Down
The degree to which a test actually measures what it is supposed to measure.
The most frequent score in a distribution of scores.
Tentative explanation of a phenomenon based on observations.
System of gathering data so that bias and error in measurement are reduces.
A deliberate manipulation of a variable to see if corresponding changes in behavior result.
The science of behavior that focuses on observable behavior only.
The tendency of a test to produce the same scores again and again each time it is given to the same person.
The middle score in an ordered distribution of scores.