Valdity & Reliability Flashcards
F…… V…… Ascertains that measure appears to be assessing the intended construct under study
Face validity
Well rounded conclusions about effects of an intervention on a behaviours called V……..
Validity
C………V……. Is not about methodology alone but about understanding the IV
Construct validity
The degree to which you can rule out extraneous source of influence I……….. V……..
Internal validity
Common threats to construct validity:
A…….
E……. E…….
C………
Attention
Experimenter expectancies
Cues
Common threats to internal validity: H...... M....... T....... I.........
History
Maturation
Testing
Instrumentation
More common threats to internal validity: S............ R....... S.......... B...... A........ D........ Of T........
Statistical regression
Selection bias
Attrition
Diffusion of treatment
The extent to which the results can be generlized or extended beyond conditions E……….. V………..
External validity
Common threats to external validity: G.......... A........ S......... G......... A.......... S......... G......... A........... R........ M....... G.......... A........ T........
Generality across subjects
Generality across settings
Generality across response measures
Generality across time
Can the results be extended to subjects who differ from those who participated in the study? G……. A……. S……
Generality across subjects
Can the results be extended to other settings and environments G…… A…….. S……..
Generality across settings
Can the results be extended to other forms of behaviour? G…….. A……. R…….. M……..
Generality across response measures
Can the results be in effect lather the discontinuation of the intervention? G…….. A…… T…….
Generality across time
The degree to which they are aware their behaviour is assessed and how this influence their performance R……… A……….
Reactivity Assessment
If the baseline assessment of their behaviour sensitises them to the intervention that follows P……… S………..
Preset sensitization
Does the order or sequence of interventions contribute to the results M……. T……. I………
Multiple treatment interference
The degree to which an assessment tool produces stable and consistent results R……….
Reliability
A measure of realibility obtained by administering the same test twice over a period of time to a group of individuals T…… R….. R……
Test retest reliability
A ,measure of reliability used to evaluate the degree to which different test items that probe the same construct and produce similar results I…… C…… R……
Internal consistency reliability
A measure of reliability used to assess the degree to which judges/rafters agree about what they have observed I…… R……R……
Inter rated reliability
Effects of events common to subjects in their everyday lives H……..
History
Growing older, stronger, wiser tired or bored M…….
Maturation
Any change that is attributed to the effects of repeated assessment T………
Testing
Changes in the measuring instrument or procedure I…………
Instrumentation
After the first measurement of the heavier the scores were extreme S……… R,……
Statistical regression
Any differences between groups due to differential selection of the population S…….. B……
Selection Bias
Any change in overall scored that is attributed to a loss of a subject
Attrition
The control group received inadvertently portions of the intervention for the experimental group D……… Of T……….
Diffusion of treatment
IOA
Inter observer agreement
IOR
Inter observer reliability
IOA data ensures that reported differences in behaviour are not due to
C……..
O……. B……..
M……… E……..
Changing
Observer bias
Measurement error
IOA FORMULA FOR FREQUENCY, RATE, DURATION AND LATENCY
Smaller score/ larger score x100%
IOA calculation formula for time sampling:
Agreements / agreements &disagreement x100%
Data is considered acceptable if at least ………% of the total observations of the target behaviour have been scored by a second observer
30%
The average IOA score is …….% or better
80%
Factors affecting IOA
C………. Of the data sheet
Complexity
Problem affecting IOA
E………. Of B……. C………
Expectancies of behaviour change
Problems affecting IOA
f………. From the r……..
Feedback from the researcher
