Validity - ACCURATE ANSWERS the degree to which we measure what we purport to measure and nothing else
face validity - ACCURATE ANSWERS a way to assess measurements, subjective
ex: children should be seen and not heard
criterion validity - ACCURATE ANSWERS comparing our scale with known scal...
COMST 203 EXAM
COMST 203 EXAM WITH GUARANTEED ACCURATE ANSWERS
Validity - ACCURATE ANSWERS✔✔ the degree to which we measure
what we purport to measure and nothing else
face validity - ACCURATE ANSWERS✔✔ a way to assess
measurements, subjective
ex: children should be seen and not heard
criterion validity - ACCURATE ANSWERS✔✔ comparing our scale
with known scales; if they score high on the others, they should score
high on ours
predictive validity - ACCURATE ANSWERS✔✔ the degree to which
our scale can predict scores on future tests
,ex: using humor in classrooms leads to higher learning outcomes
threatens to validity - ACCURATE ANSWERS✔✔ -fake answers
-social desirability
-acquiescence
-screw you effect
-don't care effect
reliability - ACCURATE ANSWERS✔✔ the extent to which we
measure, whatever it is we measure, consistently over time
scalar reliability - ACCURATE ANSWERS✔✔ reliability of individual
scales, scales repeat items, because we want to test that those items are
reliable
test retest reliability - ACCURATE ANSWERS✔✔ scores are collected,
then later collected again, from the same person
alternate forms reliability - ACCURATE ANSWERS✔✔ same idea, but
second time use slightly different measures
split half reliability - ACCURATE ANSWERS✔✔ splits items into two
groups and compares group one with group two; one time assessment;
odd items will be treated as one "set", and even as another "set" and
we'll compare to see if they are reliable
, Cronbach's alpha reliability - ACCURATE ANSWERS✔✔ statistical
test of reliability, measures how closely items are related as a group;
commonly used; ranges from 0-1; if negative, terrible scale; .7 or higher
is okay, .8+ is good, .9+ is excellent
survey - ACCURATE ANSWERS✔✔ a social scientific method for
gathering quantifiable information about a group; asking questions about
attitudes, values, beliefs, behaviors, knowledge, and perceptions
descriptive survey - ACCURATE ANSWERS✔✔ describes the
frequency of a phenomena
ex: describe what a group is doing, how much time do people spend on
mobile devices each day?
analytical or explanatory surveys - ACCURATE ANSWERS✔✔
explains why people act or think as they do
ex: why do people spend so much time on their devices?
questionnaire - ACCURATE ANSWERS✔✔ part of a survey; series of
items about a content area that we are trying to study
interview schedule - ACCURATE ANSWERS✔✔ list of survey items
that an that an interviewer reads an interviewee when conducting an oral
study
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