G5 - Goodwin textbook Chapter 5 Exam: *You are responsible for all information covered in this chapter, except you can disregard the distinctions between the different types of independent variables (situational vs. task vs. instructional) on p. 149 Pop Quiz Hints: *Experiment *Independent vs. Dependent variable *Experimental vs. Control group *Extraneous variables vs. Confounds *Manipulated vs. Subject variable *Statistical Conclusion validity *Construct validity *Internal vs. External validity *Pre-Post Study *Why are control groups important? *Threats to Internal Validity (Important): History, Maturation, Regression toward the Mean, Testing, Instrumentation, Subject Selection Effects, Attrition *In particular, attend to the differences between History vs. Maturation, and Testing vs. Instrumentation *If given a real-world example, be able to identify the appropriate internal validity threat *What are some ways of overcoming internal validity threats? *What are the defining features of an "experiment"? *How do experiments differ from observational (correlational) studies? *If you were reading a journal article, how would you know if the study was technically an "experiment"?