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Bio 12 Activity 1

Scientific Method Cards

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
Control subject that is used as a constant and unchanging standard of comparison
Dependent Variable the event studied in an experiment and expected to change when the independent variable is changed
Experiment Scientific approach to testing a hypothesis
Experimental Group group of subjects exposed to the variable in a control experiment
Hypothesis tentative explanation or educated guess about a problem
Independent Variable a manipulated variable in an experiment; its presence determines the change in the dependent variable
Procedure a series of steps taken to complete an experiment
reliability yielding the same or compatible results in different experimental trials
Sample Size the number of observations in a sample.
Scientific Method a methodical approach to designing and conducting an experiment
Theory a major hypothesis accepted by the scientific community because it has repeatedly survived several tests.
Validity correctly inferred or deduced as a premise.
Created by: gwynneth