How many main effects and interactions are there in a 2 x 4 x 3 design?
a. Three main effects and one interaction
b. Four main effects and twenty-four interactions
c. Three main effects and four interactions
d. Two main effects and two interactions
c
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Steve has recovered from depression and discontinued his drug treatment. What are the odds that he will relapse in the next 18 months?
A. 5% B. 30% C. 70% D. 80%
In Felicia's first-grade class, the children receive buttons every time they behave well. At the end of the week, the children can trade in the buttons for small prizes. This is an example of __________
a. token economy. b. classical conditioning. c. spoiling children. d. negative reinforcement.
Show that the system described by y(t) = x (sin(t)) is linear, time invariant, BIBO stable and noncausal.
Show that the system described by y(t) = x (sin(t)) is linear, time invariant, BIBO stable and noncausal.
Which of the following conclusions is most accurate about childhood vaccinations?
A) People must not equate correlation with causation in experimental research. B) People find large-scale studies more convincing than emotional anecdotes. C) People seek answers elsewhere even when science has plenty of answers. D) People given new/different information will generally change their beliefs.