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26 Cards in this Set
- Front
- Back
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hypothesis
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educated guess
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theory
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organized system of assumptions and principles that tries to explain a set of circumstances and their interrelationships
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replication
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The act or process of duplicating or reproducing something
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survey
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a sampling, or partial collection, of facts, figures, or opinions taken and used to approximate or indicate what a complete collection and analysis might reveal
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population
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The set of individuals, items, or data from which a statistical sample is taken
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sample
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a small part of anything or one of a number, intended to show the quality, style, or nature of the whole; specimen
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stratified sample
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the population is divided into groups and a random sample is taken from each group
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volunteer bias
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willingness to give up info more easily than other powers, more spare time - therefore the responses from them may skew the results of the study
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case study
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in-depth investigation of individual or small group to make generalizations about broader population
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longitudinal method
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participants observed and studied over a long time to see how people change over time
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cross-sectional method
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compare differences and similarities among people in different groups at one time
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naturalistic observation
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observe behavior of people or animals in natural habitats
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laboratory observation
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participants observed in a laboratory setting
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correlation
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measure of how closely one thing is related to another - the stronger the correlation between things, the more closely they are related.
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positive correlation
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as one thing being measured goes up, so does the other
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variable
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facotrs that can vary or change
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negative correlation
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as one thing being studied goes up, the other goes down
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independent variable
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the factor researchers manipulate/control so they can determine its effect
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dependent variable
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depends on the independent variable
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experimental group
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receive special or different treatment
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control group
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do not receive special or different treatment
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placebo
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a substnace or treatment that has no effect apart from a person's belief in it
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testing method of observation
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using several types of tests to measure various parts of human behavior - interests, abilities, personality
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experiment
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method used to answer questions about cause and effect in an experiment
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ethics
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standards for proper and responsible behavior
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confidentiality
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privacy to ensure a more complete disclosrure of true information and feelings
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