experiment notes - e Confounding variable – other...

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6. a. Case study study of one individual in great detail b. Representative sample randomly selected sample of subjects from a larger population of subjects c. Population the entire group of people or animals in which the researcher is interested 7. a. Correlation a measure of the relationship between two variables b. Correlation coefficient a number that represents the strength and direction of a relationship existing between two variables; number derived from a formula for measuring a correlation 8. a. Experiment a deliberate manipulation of a variable to see if corresponding changes in behavior result, allowing the determination of cause and effect relationships b. Operational definition definition of a variable of interest that allows it to be measured c. Independent variable variable in an experiment that is manipulated by the experimenter d. Dependent variable variable in an experiment that represents the measurable response or behavior of the subjects in the experiment
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Unformatted text preview: e. Confounding variable – other influences f. Experimental group – subjects in an experiment who are subjected to the independent variable g. Control groups – subjects in an experiment who are not subjected to the independent variable and who may receive a placebo treatment h. Random assignment – process of assigning subjects to the experimental or control group randomly so that each subject has an equal chance of being in either group 9. a. Placebo effect – the phenomenon in which the expectations of the participants in a study can influence their behavior b. Experimenter effect – tendency of the experimenters expectations for a study to unintentionally influence the results of the study 10. a. Single-blind study – study in which the subjects do not know if they are in the experimental or control group b. Double-blind study – study in which neither the experimenter nor the subjects know if the subjects are in the experimental or control grou...
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