Chapter 10 Flashcards
component analysis
comparing the effects of 2 or more independent variables
placebo control
this separates effects that may be produced by a subjects preceived expectations of improvement because of taking a drug apart from the effects actually produced by the drug
treatment integrity
procedural fidelity
refers to the extent to which the independent variable is implemented or carried out as planned
treatment drift
occurs when the application of the independent variable during later phases of an experiment differs from the way it was applied at the outset of the study
direct replication
researcher makes every effort to duplicate exactly the conditions of an earlier experiment
systematic replication
the researcher purposefully varies one or more aspects of an earlier experiment
type I error
false positive
made when researcher concludes that the independent variable had an effect on the DV, when it didn’t
Type II error
researcher concludes that an IV did not have an effect on the DV, when it really did.