The ovulation method of contraception
A) is the same as the withdrawal method.
B) is very ineffective.
C) tracks changes in the viscosity of the cervical mucus.
D) All of the above
C
Psychology
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Your dog starts to salivate when you use the can opener to open his can of dog food. After learning the principles of classical conditioning, it becomes obvious to you that the can opener has become an effective
A) unconditioned stimulus. B) unconditioned response. C) conditioned stimulus. D) conditioned response.
Psychology
Which of the following is not one of the basic characteristics of attention?
a) limited b) auditory c) flexible d) voluntary control
Psychology