1. Validity the extent to which a measurement procedure measures what it is
intended
to measure rather than measuring something else
2. observational mea- sures
1/
26
, Research Methods and Stats Test.
3. physiological Can be used to measure anything a participant does that
mea- sures researchers can observe (direct observation of behavior)
4. self-report measures of bodily responses, such as blood pressure or heart rate,
mea- sures used to determine changes in psychological state
Involve the replies people give to questionnnaires and interviews
5. cognitive self-report measures what people think about something
6. affective self-report measures how people feel
7. behavioral self- measures of how people act (how often they go to church, have sex,
re- port ...)
8. psychometrics field in which the properties of measurements, that are used in
behavioral
research, are investigated and improved
9. nominal scale labels to distinguish between groups (e.g. 1= boys, 2= girls)
10. ordinal scale ranking order, but NO equal size between the steps (e.g. ranking
between
runners)
11. interval scale ranking order, steps are of equal size, NO true zero point (e.g.
temperature) ’
numbers can not be multiplied or divided
12. ratio scale ranking order, steps are of equal size, true zero point (an be
multiplied,
divided,...) BUT the unit of measurement is arbitrary (e.g. weight)
13. absolute scale ranking order, steps are of equal size, zero point and unit of
measurement are
2/
26
, Research Methods and Stats Test.
fixes (e.g. proportions and probabilities)
3/
26