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PSY200 Research Methods in Psychology A Questions and Answers 2024 $13.99   Add to cart

Exam (elaborations)

PSY200 Research Methods in Psychology A Questions and Answers 2024

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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-...

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  • September 28, 2024
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PSY200 Research Methods In Psychology A



PSY200 Research Methods in
Psychology A Questions and Answers
2024
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




PSY200 Research Methods In Psychology A

, PSY200 Research Methods In Psychology A


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

Experimenter Reactivity -answer- ✔Researchers unconsciously influence participants

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




PSY200 Research Methods In Psychology A

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