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Chapter 1 PSYC 2103 Terms 2

Across
A number ranging from +1.00 to -1.00 that expresses the direction (positive or negative) and strength of the relationship between two variables.
A relationship between two variables in which one variable increases as the other decreases.
A relationship between two variables in which one variable increases as the other increases.
A condition in a scientific study that is manipulated so that its effects can be observed.
A scientific method in which organisms are observed in their natural environments.
A measure of an assumed effect of an independent variable.
The study of developmental processes by taking measures of participants of different age groups at the same time.
A carefully drawn biography of an individual.
A proposition to be tested.
Down
An approach that combines the longitudinal and cross-sectional methods by following individuals of different ages for abbreviated periods of time.
The study of developmental processes by taking repeated measures of the same group of participants at various stages of development.
A method of scientific investigation that seeks to discover cause-and-effect relationships by introducing independent variables and observing their effects on dependent variables.
A group made up of subjects in an experiment who do not receive the treatment but for whom all other conditions are comparable to those of subjects in the experimental group.