The line that describes the relationship between two or more variables is a(n) ____ line
a. residual
b. regression
c. ?
d. dummy
b
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Carlos is nervous about giving a class presentation because he doesn't think he can communicate very well with everyone watching him. If Carlos attempts to deal with his anxiety by self-handicapping, he will most likely
a. rehearse his presentation in front of a mirror. b. rehearse his presentation in front of a group of friends. c. stay out all night partying the night before the presentation. d. compare himself to others who are eloquent speakers.
In hopes of better understanding how glia affect brain repair, Dr. Jennings develops a special mouse lacking specific types of glia. In her experimental design, Dr. Jennings injures the brain of this special mouse and monitors neuronal repair. What is Dr. Jennings likely to observe?
a. Action potentials can no longer propagate in unmyelinated nerves. b. Cell debris from damaged neurons is not cleared. c. A blood-brain barrier is formed in response to the injury. d. Neurons undergo hypermyelination.
Erin, a seven-year-old, won't talk to anyone except a select few close friends. What is the most likely developmental reason?
A. Erin is scared of her parents. B. Erin has stage fright. C. Erin is too focused on schoolwork. D. Erin has a social phobia.
A close emotional bond that infants form with parents, caregivers, or others is called
a. separation anxiety. b. social referencing. c. emotional attachment. d. imprinting.