psy ch2
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is the entire group of individuals to which a law of nature applies
population

is a relatively small subset of a population that is intended to represent, or stand in for, the population
sample

is anything that, when measured, can produce two or more different scores
variable

a score indicates the amount of a variable that is present
quantitative variable

is a pattern in which, as the scores on one variable change, the corresponding scores on the other variable change in a consistent manner
relationship

The degree of consistency in a relationship
strength

are procedures for organizing and summarizing sample data so that we can communicate and describe their important characteristics.
descriptive statistic

are procedures for deciding whether sample data accurately represent a particular relationship in the population
inferential statistic

A number that is the answer from a descriptive procedure that describes a sample of scores
statistic

a number that describes a characteristic of a population of scores is
parameter

variable that is changed or manipulated by the experimenter
independent variable

is the name for a specific amount or category of the independent variable that creates the specific situation under which participants are examined
condition

measures a participantâ€™s behavior under each condition.
dependent variable