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Personality
Chapters 1,2,3
54
Psychology
Undergraduate 4
02/07/2008

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Term
cathexis
Definition
psychic energy invested in an image
Term
individual differences
Definition
differences in personality from one person to another person
Term
intrapersonal functioning
Definition
psychological processes that take place within the person
Term
metatheories
Definition
sets of orienting assumptions about reality, which provide guidelines for what kinds of ideas to use to create theories
Term
parsimony
Definition
the quality of requiring few assumptions; simplicity
Term
personality
Definition
a dynamic organization, in the person, of psychophysical systems that create the person's characteristic patterns of behavior, thoughts and feelings.
Term
theory
Definition
an abstract statement that summarizes a set of principles pertaining to a class of events.
Term
case study
Definition
an in-depth study of one individual.
Term
causality
Definition
a relationship such that variation in one dimension produces variation in another.
Term
clinically significant
Definition
an association that is large enough to have some practical importance.
Term
correlation
Definition
a relationship in which two variables or dimensions covary when measured repeatedly.
Term
correlation coefficient
Definition
a numeric index of the degree of correlation between two variables.
Term
dependent variable
Definition
the variable measured as the out-come of an experiment; the "effect" in a cause-effect relation.
Term
descriptive statistics
Definition
statistics used to describe or characterize some group.
Term
experimental control
Definition
the holding constant of variables that are not being manipulated.
Term
experimental method
Definition
the method in which one variable is manipulated to test for causal influence on another variable.
Term
experimental personality research
Definition
a study involving a personality factor and an experimental factor.
Term
generality (generalizability)
Definition
the degree to which a conclusion applies to many people.
Term
independent variable
Definition
the variable manipulated in an experiment, tested as the "cause" in a cause-effect relation.
Term
interential statistics
Definition
statistics used to judge the likelihood that a relationship exists between variables.
Term
interaction
Definition
a finding in which the effect of one prediction variable differs, depending on the level of another predictor variable.
Term
main effect
Definition
a finding in which the effect of one predictor variable is independent of other variables.
Term
personology
Definition
the study of the whole person, as opposed to studying only one aspect of the person.
Term
practical significance
Definition
an association being large enough to have practical importance.
Term
random assignment
Definition
the process of putting people randomly into groups of an experiment so that their characteristics balance out across groups.
Term
statistical significance
Definition
an effect being unlikely to have occurred by chance, and thus being believable as real.
Term
third variable problem
Definition
the possibility that an unmeasured variable caused variations in both of two correlated variables.
Term
variable
Definition
a dimension along which two or more variations exist.
Term
acquiescence
Definition
the response set of tending to agree, to say "yes" in response to any question.
Term
assessment
Definition
the measuring of personality.
Term
construct validity
Definition
the accuracy with which a measure reflects the underlying concept.
Term
convergent validity
Definition
the degree to which a measure relates to other characteristics that are conceptually similar to what it's supposed to assess.
Term
criterion keying
Definition
the developing of a test by seeing which items distinguish between groups.
Term
criterion validity
Definition
the degree to which the measure correlates with a separate criterion of the same concept.
Term
discriminant validity
Definition
the degree to which a scale does not measure unintended qualities.
Term
empirical approach (to scale development)
Definition
the use of data instead of theory to decide what should go into the measure.
Term
error
Definition
random influences incorporated in measurements.
Term
face validity
Definition
the scale "looking" as if it measures what it's supposed to measure.
Term
internal reliability or internal consistency
Definition
the agreement among responses made to the items of a measure.
Term
inter-rater reliability
Definition
the degree of agreement between observers of the same events.
Term
inventory
Definition
a personality test measuring several aspects of personality on distinct subscales.
Term
objective measure
Definition
a measure that incorporates no interpretation.
Term
observer ratings
Definition
an assessment in which someone else produces information on the person being assessed.
Term
operational definition
Definition
the defining of a concept by the concrete events through which it is measured or manipulated.
Term
predictive validity
Definition
the degree to which the measure predicts other variables it should predict.
Term
rational approach (to scale development)
Definition
the use of a theory to decide what you want to measure, then deciding how to measure it.
Term
reliability
Definition
consistency across repeated measurements.
Term
response set
Definition
a biased orientation to answering.
Term
self-report
Definition
an assessment in which people make ratings pertaining to themselves.
Term
social desirability
Definition
the response set or style of tending to portray oneself favorably.
Term
split-half reliability
Definition
one way of assessing internal consistency among responses to items of a measure.
Term
subjective measure
Definition
a measure incorporating personal interpretation.
Term
test-retest reliability
Definition
the stability of measurements across time.
Term
validity
Definition
a measure's "truthfulness," or the degree to which it actually measures what it is intended to measure.
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