Psyc 360 1st Edition Lecture 4 Outline of Last Lecture I Research Methods Outline of Current Lecture II Correlations Homework Overview Current Lecture QUIZ THURSDAY 9 4 Focus purely on logic and assume you know nothing else when doing problems like on Blackboard There are relationships between variables in the world Smoking Hospital x Cancer Illness y x is CORRELATED with y x y x CAUSES y contributes increases the likelihood affects leads to influences x y y causes x Scenario 1 1 Given Hospital Illness Hasty Hospital Illness Alternative Hospital Illness Scenario 2 These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 2 Given Feet Reading Ability Number 4 is most logical If age feet and reading are related then Feet Reading Number 1 is wrong because it doesn t assume correlation Number 2 and 3 are wrong because they bring up a third variable 3 Scenario 3 Numbers 3 5 are most logical 3 logical possibilities X Y X Y Z X and Y Need to know 4 Scenario 4 is going to be on quiz Not exact question but same type Answer will be NO with explanation Scenario 4 IF Brighter leads to seat and performance then seating performance 5 is correct but delete the last sentence of the answer it isn t necessary Correlation does not imply causation
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