Term
|
Definition
| mode, median, arithmetic mean |
|
|
Term
|
Definition
| variance, range, standard deviation |
|
|
Term
|
Definition
| characteristics to which numbers can be assigned |
|
|
Term
|
Definition
can be counted, finite possibilites,
reflects qualative data |
|
|
Term
|
Definition
| can be measured, infinite possibilities |
|
|
Term
|
Definition
| lowest, numbers identify categories 1-M, 2-F, identifies qualatative variables |
|
|
Term
|
Definition
| expresses relative value, ranking or position |
|
|
Term
|
Definition
degree of presence, semantic differential,
parametric tests |
|
|
Term
|
Definition
| true zero point, preferred level, used extensively |
|
|
Term
|
Definition
aka stimulus variable,
are introduced and controled by researcher.
Credibility of 2 speakers of one speech |
|
|
Term
| process of composing a measure |
|
Definition
begin with conceptual definition
decide what format/method of gathering data
present instrument to small group for feedback
find evidence of reliability and internal validity
|
|
|
Term
| direct assignement variable |
|
Definition
info to be observed must be defined
in order to be present
count the number of violent acts in movie scene |
|
|
Term
|
Definition
stable and consistent
test-retest, split half,
item to total, alternative form of test
|
|
|
Term
| priniciples of sound measurement |
|
Definition
| internal reliability and internal validity |
|
|
Term
|
Definition
|
|
Term
|
Definition
| degree to which instrument actually measures |
|
|
Term
| methods of determinig internal validity |
|
Definition
face validity
expert jury
criterion
construct
|
|
|
Term
| methods of reliability assessment |
|
Definition
test-retest
allternative forms of test
split test
item to total
Cronbach's coeffiecient aplhaL |
|
|
Term
|
Definition
phrased as statments
series of items
agree vs disagree |
|
|
Term
| semantic differential scale |
|
Definition
series of items
phrased as polar opposites
randomized ordering
usually 6 or 7 divisions |
|
|
