For a sample of n = 30 scores, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00 . What are the values for the sample mean and standard deviation?
a. M = 35 and s = 10 c. M = 35 and s = 15
b. M = 30 and s = 15 d. M = 30 and s = 10
D
You might also like to view...
In observing the changes in their clients during therapy, psychologists often believe they get better results when using the type of therapy they favor. This illustrates the
a. Barnum effect. b. observer effect. c. observer bias. d. anthropomorphic error.
A rat in a Skinner box is going through several training sessions where the light that illuminates the box is alternately turned on and off. When the light is on, a bar press will produce food. When the light is off, bar pressing goes unrewarded. We soon observe that the rat presses vigorously when the light is on and ignores the bar when the light is off. This illustrates
a. stimulus control. b. systematic extinction. c. stimulus generalization. d. a resistance to extinction.
In children, epilepsy may be improved by a diet that is high in _________ and low in _________
a. fat; carbohydrates b. protein; fat c. carbohydrates; fat d. fat; protein
Rochlin's research on play activities of children showed that
a. death is a matter of deep consideration to young children b. death is avoided in children's games c. "peek-a-boo" is an example of a child's game that is not related to death d. all of these e. none of these