If you know the score you want to compare with the distribution, and the population mean for the distribution, what else do you need in order to calculate the z-score for the current mean?

When Carrie drove up in her new car, Ken told her that she had made a mistake. Even though the car was very sporty, easy on gas, and had lots of trunk space, he ignored these attributes and told her it would need to be repaired frequently. He said this because he had previously owned the same car, and that was his experience. This is an example of

a. the halo effect. b. contrast effects. c. projection. d. selective perception. e. stereotyping.

A well-known local herbalist sells the neurotransmitter gamma-aminobutyric acid (GABA) as “the body’s natural tranquilizer,” stating that it helps to calm the central nervous system and prevent anxiety and stress-related messages from reaching the motor centers of the brain. This portrayal reflects GABA’s ____

a. inhibitory effect on brain activity b. depolarizing properties c. lack of hyperpolarization d. excitatory effect on brain activity