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Chapter 2: Psychological Methods

Across
a measure of dispersion that shows the spread of scores around the mean.
a representative segment of a target population
when the two variables move in the same direction.
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
the study of behavior in a controlled situation
the relationship between variables
a survey population selected by chance, which fairly represents the general population
factors that are measured or controlled in a scientific study
Is a explanatory variable which is not directly observable
an in-depth study of a single group to reveal some universal
Down
rules and standards for proper and responsible behavior
occurs when two variables are related and as one variable increases the other decreases.
Is a series of questions asked to the respondents in order to understand their thought processes and mental state.
inert substance used in controlled experiments to test the effectiveness of another substance
participants who receive the treatment
participants who do not receive the treatment
the idea that people who volunteer to participate in studies do not represent the general population.
a precise, testable statement of what the researchers predict will be the outcome of the study.
prejudice for or against one person or group, especially in a way considered to be unfair.