PSY200 Research Methods In Psychology A Exam Questions With Correct Answers.
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Course
PSY200
Institution
PSY200
PSY200 Research Methods In Psychology A
Exam Questions With Correct Answers.
Validity - answerThe degree to which the test, or instrument, measures what it is supposed to
measure
Reliability - answerThe consistency, or repeatability, of a measure
External Validity - answerDo the results apply ...
PSY200 Research Methods In Psychology A
Exam Questions With Correct Answers.
Validity - answer✔The degree to which the test, or instrument, measures what it is supposed to
measure
Reliability - answer✔The consistency, or repeatability, of a measure
External Validity - answer✔Do the results apply to the broader population? Generalizability
Internal Validity - answer✔Is the IV responsible for the observed changes in the DV?
Maturation - answer✔Changes due to growth or predictable changes i.e. time passing.
History - answer✔Changes due to an event that occurred during the study that are not part of the
treatment
Testing - answer✔Changes due to the effects of previous testing (Happens during repeated
measures testing)
Instrumentation - answer✔Any changes to the calibration of the measuring instrument over the
course of the study
A threat to internal validity when there are inconsistencies in data collection
Regression to the Mean - answer✔The tendency for extreme values of a variable to fall closer to
the group mean when retested.
Selection Bias - answer✔Any factor that creates groups that are not equal at the start of the
study. A result of improper or non-random selection
Attrition - answer✔Loss of participants during a study
Diffusion of Treatement - answer✔Changes in participants behaviour due to information they
obtained about conditions
Sequence Effects - answer✔Effects on performance in one condition due to experience with
previous conditions
Subject Effects - answer✔Participants try to understand the study to know what they "should do"
to help the study
Demand Characteristics - answer✔Participants respond to subtle cues about what is expected
Placebo Effect - answer✔treatment effect due to the expectation that treatment will work
Experimenter Expectancy - answer✔In research, when researchers' biases and expectations
influence the outcomes of an experiment. They see what they are hoping to see
Measurement Reactivity - answer✔Participants respond differently because they know they are
being observed
Test-Retest reliability - answer✔consistency of measures when the same test is administered to
the same person twice.
used to assess the consistency of a measure from one time to another
Inter-rater reliability - answer✔A measure of the degree to which two different researchers or
raters agree in their assessment.
Internal consistancy - answer✔estimate of the reliability that represents the consistency of scores
within a test
Correlational Hypothesis - answer✔There will be a RELATIONSHIP between Variable A and
Variable B
Differential Hypothesis - answer✔There will be a DIFFERENCE between Group A and Group B
on Variable A
Experimental Hypothesis - answer✔Predicts the relationship between the IV and DV - Variable
A will affect Variable B
Null Hypothesis - answer✔The hypothesis that states there is no difference between two or more
sets of data.
Operational Definition - answer✔A description of a property in concrete, measurable terms
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