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PSY 395 exam 1
Exam 1 vocabulary
48
Psychology
Undergraduate 3
02/18/2009

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Term
values
Definition
Any attribute that changes values across things that are being studied
Term
contestable
Definition
to call in question
Term
casual observation
Definition
everyday observations
Term
construct
Definition
Abstract qualities that we attempt to measure
Term
hypothesis
Definition
A testable statement describing the relation between two or more constructs.
Term
operational definition
Definition
Statement of the process we use to
measure constructs
Term
causal associations
Definition
some construct causes another, only found in experimental research
Term
theory
Definition
a set of interrelated hyptheses that is used to explain a phenomenon and make predictions about associations among constructs relevent to the phenomenon
Term
logical analysis
Definition
deciding whether hypotheses are accurate by examining whether they are logically consistent with other hypotheses
Term
authority
Definition
experts that may help us determine what hypotheses make sense in our casual observations
Term
consensus
Definition
the position reached by your peers
Term
empirical research
Definition
observation thatt is systematic in attempting to avoid biases
Term
operationism
Definition
the assumption that all constructs can be measured or observed
Term
falsifiable
Definition
we can percieve a pattern of findings that would contradict the theory
Term
measurement research
Definition
research designed to examine whether a given variable accurately or validly measures a given construct
Term
inductive
Definition
moving from observation to hypothesis
Term
deductive
Definition
moving from hypothesis to observation
Term
internal validity
Definition
the extent to which conclusions can be drawn about the causal effects of one variable on another
Term
external validity
Definition
the extent to which one can generalize the results of the research to the population at interest
Term
constructs of disinterest
Definition
things we would rather not measure (contamination)
Term
correlational fallacy
Definition
inappropiately inferring causality from a simple association
Term
selection threat
Definition
inappropraite selection due to the incorrect belief of a causal relationship
Term
selection of maturation threat
Definition
different rates of normal growth
Term
quasi-experimental research
Definition
used instead of randomization when random experiments are not possible
Term
perseverance effects
Definition
believing false feedbackeven after been told of the deception
Term
double deception (second-order)
Definition
continuing the experiment after telling the participant it is over
Term
duty to warn
Definition
laws that require reserachers to report certain ppl, like child abusers
Term
definitional operationism
Definition
the assumption that the operational definition is the construct
Term
nomological net
Definition
the theoretical network of construct-to-construct associations derived from relevant theory and stated at an abstract level
Term
true score
Definition
a function of the construct we attempt to measure
Term
systematic error
Definition
reflects influences from other constructs besides the desired one
Term
random error
Definition
reflects nonsystematic, ever-changing influences on the score
Term
reliability
Definition
the extent to which it is free from random error
Term
validity
Definition
the extent to which a measure reflects only the desired construct
Term
test-retest correlation
Definition
the correlation between scores on the same measure administered on two seperate occasions
Term
internal consistency reliability
Definition
Random error affects responses to items on an assessment
Term
alpha
Definition
average of all split-half reliabilities
Term
kappa
Definition
corrects for any correlation due to chance
Term
face validity
Definition
does it measure what it suggests
Term
convergent validity
Definition
the overlap between alternative measures that are intended to tap the same construct but have different sources of systematic error
Term
discriminant validity
Definition
failing to correlate with measures that are supposed to tap other constructs
Term
multitrait-multimethod matrix
Definition
table of correlation coefficients that enables us to simutaneously evaluate the convergent and discriminate validity of a construct
Term
traits
Definition
underlying constructs
Term
methods
Definition
mode of measurement
Term
reliability coefficient
Definition
correlations between scores that reflect the same trait and method
Term
convergent validity coefficient
Definition
correlation between scores that reflect the same trait measured by different measures
Term
criminant validity coefficient
Definition
indicates the correlation between different traits measured by the same method
Term
nonsense coefficient
Definition
different traits by different methods
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