<p>CADV 380 MIDTERM 1 STUDY GUIDE </p><p>1. Influences on Development (Normative Age-Graded, Normative History-Graded, Non-Normative) 2. Operational Definitions (a.k.a Operationalization) 3. Logical and Concrete Hypotheses 4. Independent vs. Dependent Variables 5. Research Designs (Experimental, Randomized Experimental, Quasi-Experimental, Non- experimental/Correlational) 6. Main Effects and Interactions 7. Developmental Designs (Cross Sectional, Longitudinal) 8. Correlations (Positive and Negative) 9. Validity (Internal, External, Threats to Validity) 10. Sampling Plan 11. Populations (Target, Area, Special, Study and Research Sample) 12. Probability vs. Non-probability Sampling 13. Sampling Different Age Groups 14. Recruitment Strategies 15. Informed Consent 16. Standardization</p>