Nominal: categories
Ordinal:categories in a certain order
Interval: equal intervals
Scale: equal intervals and 0 point
What is the levels of measurements?
100
What client would like to do, be or prefer to happen after the intervention is complete.
What is ultimate goals?
100
Allows for evaluation across clients, situations or problems
True experimental design in that it allows for casual inference
Useful for evaluating situations where an intervention would be likely to bring about enduring changes in the dependent variable