PSYC-2400 Lecture Notes - Prison Officer, Tabula Rasa, Syphilis
Document Summary
With experiments, you can determine causality; with correlational studies, you cannot. Correlational research is valuable used for prediction (what"s going to happen neck) but will not know why or how. There are different ways to explain causality (x->y, y->x, or z->xy) Evaluate effect on dependent variable (dv): effect: effect on memory what do you remember studying, ex. Need random assignment: put people in different groups those eating chocolate, those forced to chain smoke, etc, everyone has equal possibility of being in either group, different than random sample! Random sample is when everyone has equal possibility of being part of the experiment: random assignment is a great equalizer . Not based on personality aspects or height//weight/sex etc. Causal influences on dr. robinson"s happiness: chocolate, class participation, watching first dates, high class average, getting paid, other (variety) If you give her chocolate she will be happy, but if she hasn"t slept then her happiness won"t improve as much.