How can we explain many optical illusions?
a. An object might appear to be closer or farther than it really is.
b. For many people, one eye is dominant over the other one
c. It is easier to move the eyes vertically than horizontally.
d. Light rays get distorted as they pass through the eyeball.
a
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If the null hypothesis for an ANOVA is false, then the F-ratio should be:
a. greater than 5.00. b. a negative number. c. greater than 1.00. d. 1.00 or less.
The Spearman-Brown prophecy formula is used to adjust the correlation in which of the following reliability estimate methods?
a. Test-retest method b. Alternate form method c. Counterbalancing method d. Split-half method
Constriction of blood vessels occurs via the:
a. Sympathetic nervous system b. Parasympathetic nervous system c. Both the sympathetic and the parasympathetic nervous systems d. None of the above
Learning that occurs without obvious reinforcement and remains hidden until reinforcement is provided is known as
a. instrumental learning. b. latent learning. c. covert conditioning. d. respondent conditioning.