In a population with ? = 8, a score of X = 44 corresponds to a z-score of z = -0.50. What is the population mean?
A) ? = 36?
B) ?? = 40
C) ?? = 48
D) ?? = 52
C
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The unconscious mind would struggle most with the meaning of which of the following?
a. dead enemy b. happy children c. sad tears d. loving home
Which statement best describes the term descriptive designs?
A. There are research designs that include independent and dependent variables and random assignment of participants to control and experimental groups or conditions. B. They are design studies in which a researcher defines a problem and variable of interest but makes no prediction and does not control or manipulate anything. C. These are studies that measure two or more variables and their relationship to one another; they are not designed to show causation. D. There are methods used to assign participants to different research conditions, so that all the participants have the same chance of being in any specific group.
At what age does a woman's fertility typically peak?
A) ?16-18 years B) ?20-24 years C) ?25-35 years D) ?After the age of 30
A girl receives an injection and cries. Each time she receives an injection again, the same nurse gives it. Her mother notices that the child now cries when she sees this nurse even if no injection is given. This is an example of
A. classical conditioning. B. negative reinforcement. C. operant conditioning. D. fixation.