Controlled Lab Experiments - Allen Bevans

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Dependent Variable • A variable that depends on users’ behaviors • The thing you measure • So, a dependent variable is some aspect of behavior that changes/varies and can be measured like “task time” or “rating” 28
Hypothesis • Related independent and dependent variables • A change in indep var causes an effect on dep variable • Indep var = mouse size; dep var = task time • Hyp: A smaller mouse size improves task time for children age 4-6 on a target selection task. • Null: Mouse size does not affect task time … 29
Page 1 and 2: IAT 432 Week 6 Controlled Experimen
Page 3 and 4: • Examples? What is Science? •
Page 5 and 6: Descriptions vs Explanations • De
Page 7 and 8: Descriptions vs Explanations • Ex
Page 9 and 10: Experimental Method • Scientific
Page 11 and 12: Controlled Experiment Approach A co
Page 13 and 14: • Empirical Term = Relying on or
Page 15 and 16: • Example True or Not? The Logic
Page 17 and 18: Logic of Proofs cont’ Prove by di
Page 19 and 20: Apply logic of proofs to hypotheses
Page 21 and 22: Operationalizing the Hypothesis •
Page 23 and 24: Mouse Size example cont’ • Meas
Page 25 and 26: More terms … Variables A variable
Page 27: Independent Variable • The thing
Page 31 and 32: About reading comprehension… 31
Page 33 and 34: About reading comprehension… 33
Page 35 and 36: This Week’s Studio • Work throu
Page 37: Read • Martin, Doing Experiments

Controlled Lab Experiments - Allen Bevans

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