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Chapter 1: Vocab
Mrs.Montez
25
Physiology
12/20/2011

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Term
Culture
Definition
Shared ideas and behaviors passes from one generation to the next.
Term
Median
Definition
The middle score in a distribution.
Term
Placebo Effect
Definition
Experimental results caused by expectations alone.
Term
Hindsight Bias
Definition
"I-knew-it-all-along" phenomenon.
Term
Mode
Definition
The most frequently ocurring score.
Term
Range
Definition
The difference between the highest and lowest scores.
Term
Standard Deviation
Definition
A measure of variation based on every score.
Term
Scatterplot
Definition
A graphed cluster of dots depicting the values of two variables.
Term
Mean
Definition
The arithmetic average of a set of scores.
Term
Measures of Central Tendency
Definition
The mean, median, and mode.
Term
Measures of Variation
Definition
The range and standard deviation.
Term
Critical Thinking
Definition
Reasoning that does not blindly accept arguments.
Term
Illusory Correlation
Definition
False perception of a relationship between two variable.
Term
Hypothesis
Definition
Testable proposition.
Term
Theory
Definition
An explanation using an integrated set of principles that organizes observations and predicts behaviors or events.
Term
Independent Variable
Definition
The variable being manipulated in an experiment.
Term
Dependent Variable
Definition
The variable being measured in an experiment.
Term
Experimental Group
Definition
The "treatment-present" group in an experiment.
Term
Control Group
Definition
The "Treatment-absent" group in an experiment.
Term
Case Study
Definition
An in-depth observational study of one person.
Term
Survey
Definition
The research strategy in which a representative sample of individuals is questioned.
Term
Replication
Definition
Repeating an experiment to see whether the same results are obtained.
Term
Random Assignment
Definition
The process in which research participants are selected by chance for different groups in an experiment.
Term
Experiment
Definition
The research strategy in which the effects of one or more variables on behavior are tested.
Term
Double-Blind
Definition
Experimental procedure in which niether the research participant nor the experimenter knows which condition the participant is in