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control That which purposefully direct, manipulate, manage, regulate, restrain, or cause change.
control group in an experiment, the group closely resembling the experimental group in many demographic variables but not receiving the factor under study and thereby serving as a comparison group when results are evaluated
dependent variable variable which changes in response to the independent variable
experiment a scientific approach to testing a hypothesis
experimental group a group of subjects that are exposed to the variable in a control experiment.
hypothesis an educated guess about a problem
independent variable a manipulated variable in an experiment
procedure steps taken to carry out an experiment
reliability yielding the same results in different trials
sample size is the number of observations in a sample
scientific method a methodical approach to designing and conducting an experiment
theory a major hypothesis accepted because it has passed several tests
validity correctly inferred or deduced from a premise
Created by: lgcybernetics