2. COMM 250 Agenda - Week 5 Housekeeping Hand Back: TP1, TP2 Shoot Rest of the Team Pictures Lecture / Class RAT2 RQs, Hypotheses IV, DV, & Operationalizations

3. In-Class Team Exercise # 5 1) Create 2 Hypotheses (One 1-tailed, one 2-tailed) Relate “socializing” with “success in college” 2) Create a specific, measurable Operational Definition of each concept 3) Which is the IV, which the DV? 4) Can you think of 2 (potential) “Intervening Variables?” Deliverable : a written version of the above ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Optional / Additional Team Work Plan Any TP2 Revisions You Choose (Specific dates for TP3a & b, adding a line for comments to your TP2 form, etc.)

4. Correlation & Causality Correlation Two variables are related (as one varies, the other varies predictably) Causation 3 “Necessary & Sufficient” Conditions: Two variables must be shown to be related The IV must precede the DV in Time The relationship cannot be due to another variable (an “Intervening” or “Confounding” variable)