With operant conditioning, if a response will only be reinforced after an unpredictable period of time has elapsed, the type of reinforcement schedule that is in place is referred to as a:
a. fixed-ratio schedule?
b. variable-ratio schedule
c. fixed-interval schedule
d. variable-interval schedule
D
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Which birthing approach uses breathing techniques and relaxation, involves a coach, and provides training that allows women to cope with painful contractions?
A. Lamaze technique B. Apgar approach C. Bradley method D. hypnobirthing
Which of the following is TRUE regarding the placenta?
a. It secrets hormones that prepare the breasts for nursing. b. It inhibitscontractions that prompt childbirth. c. It is also called the amnion. d. It cannot be seen on an ultrasound.
Ina and Larry make sure to arrange for a family reunion once each year. They contact all of the family members—siblings, children, cousins, nieces and nephews—and let them know where and when the gathering will take place. Because they are responsible for gathering the family together, Ina and Larry could be described as ____
a. generators b. stagnaters c. kinkeepers d. family encouragers
To get an accurate idea about the shape of a distribution,
a. relatively large samples of data are needed. b. computer programs are needed. c. three-dimensional plots are usually helpful. d. stem-and-leaf displays are the only accurate methods of presentation.