1. Questions on homework? 2. Homework tonight – finish all of ch. 2, in study guide! 3. Causal vs. correlational activity 4. Notes on ethics

 Higher correlation coefficients = increased ability to predict one variable based on the other  SAT/ACT scores moderately correlated with first year college GPA  2 variables may be highly correlated, but not causally related  Foot size and vocabulary positively correlated  Do larger feet cause larger vocabularies?  The third variable problem

 Causal and non-causal language activity  Third variable and Directionality problems  Read article: “Which High School Students Are Most Likely to Graduate from College?”  Is there causality in the findings? If so, what is it?  Are there correlations in the article? If so, what are they?  Do you disagree or agree with the article?

 The question of deception  The question of animal research  Controversy among psychologists and the public  Ethical standards for research: the American Psychological Association  Ensures both human and animal subjects are treated with dignity

Figure 2.17 Ethics in research