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Psychology Ch. 2

variables that cannot be controlled by the researcher and could influence any change in the Dependent Variables
observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation
a carefully worded statement of the exact procedures used in a research study
A type of bias that leads to a tendency to search for information that supports our preconceptions and to ignore or distort contradictory evidence
an explanation using an integrated set of principles that organizes observations and predicts behaviors or events
A group of people that includes everyone in a particular category
A type of bias that leads to the tendency to believe, after learning an outcome, that one would have foreseen it
variable that is manipulated
An experiment in which neither the participant nor the researcher knows whether the participant has received the treatment or the placebo
A type of study where research in which the same people are restudied and retested over a long period
the best defense against bias, in which each individual is given a fair, random chance of selection
A type of study in which one person is studied in depth in the hope of revealing universal principles
describes a hypothesis that can be proved wrong
The outcome factor; the variable that may change in response to manipulations of the independent variable.
the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment
a descriptive study that looks for a consistent relationship between two variables
part of a population