Which of the following is the correct null hypothesis for an independent-measures t test?
a. ?1 – ?2 = 0 c. ?1 – ?2? 0
b. M1 – M2 = 0 d. M1 – M2? 0
A
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In a repeated-measures design, each subject receives all levels of at least one independent variable
Indicate whether the statement is true or false
What happens to the probability of committing a Type I error if the level of significance is changed from ? = .01 to ? = .05?
a. The probability of committing a Type I error will decrease. b. The probability of committing a Type I error will increase. c. The probability of committing a Type I error will remain the same. d. The change in probability will depend on your sample size.
As you focus on your cell phone conversation while driving, you miss the road sign where you needed to make a turn and drive 20 miles out of the way. This is an example of
a. psychokinesis. b. inattentional blindness. c. retinal disparity. d. an apparent-distance illusion.
Professor Lee tells his class that hair cells will become hyperpolarized or depolarized depending on the activity of the _____ channels.
A. voltage-dependent sodium B. transmitter-gated potassium C. mechanically gated potassium D. mechanically gated sodium