Psychology quiz 2 terms, correlation design and more
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is correlation design? | Examine how two variables are related
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| How can correlations vary? | Correlations vary from - 1 to +1 and can be positive, negative, and none (zero)
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| How are correlations depicted? | Depicted in a scatterplot
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| What are illusionary correlations? | Perception of a statistical association where none exist
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| What is correlation vs causation? | Just because two things are related, does not mean that one causes another.
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| What are three possible explanations for correlation vs causation? | A causes B, B causes A, C causes both A and B
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| What are experiments? | The only way to be certain if one thing is causally related to another is with an experimental design
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| What is an independent variable? | The variable researchers manipulate in an experiment to
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| What is a dependent variable? | The thing the researcher is measuring
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| What is random assignment? | Participants are assigned to different treatment groups on the basis of chance alone
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| What needs to happen before confident in experiment results? | Experiment must be repeated or replicated before complete confidence can be placed in conclusion
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| What makes a study an experiment? | Random assignment of participants groups
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| What is the experimental (test) group? | Receives the manipulation (3 cups of coffee)
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| What is the control group? | Does not receive manipulation (3 cups of decaf)
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| What is the manipulation of the independent variable? | The thing you think is the cause (caffeine in coffee (regular vs decaf))
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| What is the manipulation of the dependent variable? | It measures if manipulation had an effect
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| What is the confound? | Makes independent variable effects uninterpretable (we had people play jenga at different times of the day (morning vs evenings))
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| What are cause and effect? | Possible to infer with random assignment and manipulation of independent variables and experiments have high internal validity
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| What is the placebo effect? | Improvement resulting from the mere expectation of improvement
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| What is the nocebo effect? | Harm resulting from the mere expectation of harm
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Created by:
josie_d
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