D Flashcards
Behavior you are interested in observing, measuring and changing
Dependent variable
variable you are going to change or manipulate in your study
independent variable
What are the 4 categories of independent variables
Antecedent Stimulus Variables (proactive, priming, self monitoring)
Cosnequent stimulus variable
Environmental design variables (lighting, repositioning)
Biological variable (medication nutrition)
The acceptability of an intervention procedures
social validity
Extent the experiment is free from errors and difference in measurement is due to the independent variable
internal validity
extent to which the research results can be inferred to the world - generalization
external validity
IV threats
External or extraneous events
History
IV threats
Internal factors, Natural or within subject. growing older, hunger, tired
Maturation
IV threats
Effects on subsequent tests improvement on scores (pre-test or post test)
Testing
IV threats
improvement or decline because of measurement devices, calibration or reliability
Instrumentation
IV threats
groups put together based on extreme scores, not the whole picture
statistical regression
IV threats
Non-randomized, observer bias, selection bias
Biases
IV Threats
Attrition- loss of respondents from comparison group
experimental morality
IV threats
selection of coparison groups
interpretation that treatment causes effect
Selection
EV Threats
pretest might effect the results
know what to expect
hawthorne effect
Reactive effect of testing
EV Threats
selection base on intervention not randomized
selection biases on treatment variable