what are the definitions of these words? : Empirical vs. ordinary knowing Psychology as a science Theories Hypothesis Independent and Dependent variables Research design o Experiment o Correlation o Case Study Operationalizing and measurements Reliability Validity o Validity of Design o Internal Validity o External Validity o Construct Validity o Extraneous variables Demand Characteristics (and controlling for them) Threats to validity o One group pretest-posttest design o Missing Control group design o The nonequivalent group designs