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26 Cards in this Set
- Front
- Back
intuition |
an effortless, immediate, automatic feeling or thought, as contrasted with explicit, conscious reasoning |
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hindsight bias |
the tendency to believe, after learning an outcome, that one would have foreseen it |
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theory |
an explanation using an integrated set of principles that organizes observations and predicts behaviors or events |
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hypothesis |
a testable prediction, often implied by a theory |
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operational definition |
a carefully worded statement of the exact procedures used in a research study. For example, human intelligence may be operationally defined as what an intelligence test measures |
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replication |
repeating the essence of a research study, usually with different participants in difference situations, to see whether the basic finding can be reproduced |
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case study |
a descriptive technique in which one individual or group is studied in depth in the hope of revealing universal principles |
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naturalistic observations |
a description technique of observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation |
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survey |
a descriptive technique for obtaining the self-reported attitudes or behaviors of a particular group, usually by questioning a representative, random sample of the group |
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population |
all those in a group being studied, from which samples may be drawn |
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random sample |
a sample that fairly represents a population because each member has an equal chance of inclusion |
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correlation |
a measure of the extent to which two factors vary together, and thus of how well either factor predicts the other |
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correlation coefficient |
a statistical index of the relationship between two things (from -1.00 to +1.00) |
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experiment |
a research method in which an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable). by random assignment of participants, the experimenter aims to control other relevant factors |
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experimental group |
in an experiment, the group exposed to the treatment, that is, to one version of the independent variable |
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control group |
in an experiment, the group NOT exposed to the treatment; contrasts with the experimental group and serves as the comparison for evaluating the effect of the treatment |
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random assigment |
assigning participants to experimental and control groups by chance, thus minimizing pre-existing differences between the different groups |
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double-blind procedure |
an experimental procedure in which both the research participants and the research staff are ignorant (blind) about whether the research participants have received the treatment or placebo. commonly used in drug evaluation studies |
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placebo effect |
experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition, which the recipient assumes is an active agent |
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independent variable |
in an experiment, the factor that is manipulated; the variable whose effect is being studied |
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confounding variable |
a factor other than the factor being studied that might produce an effect |
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dependent variable |
in an experiment, the outcome that is measured; the variable that may change when the independent variable is manipulated |
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informed consent |
giving potential participants enough information about a study to enable them to choose whether they wish to participate |
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debriefing |
the post-experimental explanation of a study, including its purpose and any deceptions, to its participants |
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testing effect |
enhanced memory after retrieving, rather than simply re-reading, information |
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SQ3R |
a study method incorporating five steps: Survey, Question, Read, Retrieve, Review |