A one-celled organism formed by the union of the sperm and egg is known as
a. zygote.
b. germinal.
c. embryo.
d. fetus.
A
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Action potentials and excitatory postsynaptic potentials (EPSPs) are similar in that both a. are always all-or-none
b. last about the same amount of time. c. involve voltage-dependent ion channels. d. involve the movement of sodium into cells.
Which of the following techniques would be most appropriate for treating nail-biting or smoking?
a) flooding b) systematic desensitization c) aversion therapy d) token economy
Psychologists have considered individual characteristics and differences for much longer than sociocultural, multicultural, and cross-cultural differences
Indicate whether the statement is true or false.
Regarding toilet training, which of the following statements is FALSE?
a. Parents may control when toilet training starts, but maturation tends to dictate when it will be completed. b. Current guidelines suggest that toilet training goes most smoothly when begun between 10 and 16 months of age. c. Parents are asking for failure when they try to force a child to learn skills too early or too late. d. If toilet training begins much later than the recommended guidelines, a child will be more likely to fail to develop full bladder control and become a daytime "wetter."