PSYCH 341 Adv Lab Cog Psych Michigan

Hypothesis Testing Thursday, October 11 Sampling distribution Impossible to observe all instances of a particular behavior Instead, make inferences from samples of the population Sampling distribution = \"distribution of means from different sample

Fun with Descriptive Statistics Tuesday, October 9 Papers Sampling- how recruit? How know psychic? Okay to skip apparatus & design sections Procedure- be very detailed Avoid confounds One-on-one testing (interfere w/ESP) Random order (shuff

Inferential Statistics Tuesday, October 16 Hypothesis Testing Null Hypothesis (H0): Statement that the groups in the world are really equal, & any difference that shows up in our exper. results is just due to chance variation Alternative Hypoth

Factorial Designs some new info!) 2-tail vs. 1-tail marginal signif Type I & II errors Hypothesis of experiment (expect a group diff) vs. statistical null hypothesis (test as expect groups are eq

Factorial Designs statistical significance\" Should read: As the size (n) of a sample is increased, the observed p-value will: Paper Not 20 vs 100 milliseconds- see lab p &

Assignment #4 response to drafts I am seeing many recurring problems. Not all of these will apply to you- I will try to note which ones are most applicable: Organization of restatement of major resultsI would recommend first discussing one main effe

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Factorial Designs & Interactions (2?) Thursday, Nov. 1st Interpreting Results Main effect The effect of one factor (IV) averaged over all values of the other factors Interactions 2 factors interact if the effect of one factor depends on the level

Validity & Confounds Tuesday, November 6 Review Experiments cause-effect relationships Manipulate IV, observe change in DV Assume subjects = other than manipulation Experimental validity Extent to which one\'s research findings correspond to th