Shared Flashcard Set

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Experimental Methods
N/A
22
Psychology
Undergraduate 3
06/06/2011

Additional Psychology Flashcards

 


 

Cards

Term
Theoretical validity
Definition
Confidence we are measuring what we claim to be measuring
Term
External validity
Definition
Confidence that the findings could be generalized to another situation
Term
Population validity
Definition
Confidence that we have a representative sample of the population
Term
Ecological validity
Definition
The same conditions for each participant
Term
Internal validity
Definition
Confidence that the only explanation for our results is what we claim it is
Term
Subject variable
Definition
a variable that cannot be randomly assigned by the experimenter
Term
Nominal data
Definition
Measurements used to place participants into categories to name them
Term
Ordinal data
Definition
Measurements that are along a continuum that provides both intensity and magnitude
Term
Interval data
Definition
Measurements that are at equal intervals between separate scores
Term
Ratio data
Definition
Measurements separated by equal intervals that incorporate an absolute value score
Term
Belief perseverance effect
Definition
It requires more effort to change an opinion that it did to create that opinion
Term
Confirmation bias
Definition
We more actively seek answers that confirm our beliefs than refute them
Term
Between-subjects design
Definition
Each participant is only exposed to one level of the IV
Term
Within-subjects design
Definition
Each participant is exposed to each level of the IV
Term
Matching
Definition
Assigning participants to groups so that each group possess equal attributes on some dimension
Term
test-retest reliability
Definition
the same person will get a similar score every time they take it
Term
inter-rater reliability
Definition
multiple raters can come up with the same solution
Term
Confound
Definition
an extraneous variable that is systematically varying along with the IV
Term
Double blind
Definition
Both participant and the experimenter are blind to the experimental condition
Term
Secondary variance
Definition
difference related to a confound
Term
Type I error
Definition
When significant data is found but is not used because there was a flaw in the design
Term
Type II error
Definition
When data is found to be not significant by is used by the researcher
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