When is it inappropriate to conduct a t test for the correlation coefficient?
A) when the correlation is negative
B) when the correlation is positive
C) when the relationship is linear
D) when the relationship is nonlinear
D
You might also like to view...
If you were on a submarine deep in the ocean with artificial light that was constant at all times, what would happen to your rhythm of wakefulness and sleepiness? a. You would feel wakeful and sleepy on an irregular, unpredictable schedule
b. You would feel a constant state of low-alertness wakefulness. c. You would continue feeling wakeful and sleepy on a nearly 24-hour basis. d. You would feel sleepy after any physical exertion, and wakeful about 8 hours later.
Following a spinal cord injury, formation of the ____ prevents neuronal regeneration in the ____
a. blood-brain barrier, central nervous system b. blood-brain barrier, peripheral nervous system c. scar tissue from glia; central nervous system d. scar tissue from glia; peripheral nervous system
After damage to the dorsal roots of the spinal cord, an individual will suffer what kind of loss?
a. sensation from the affected body area b. control of the peripheral muscles in the affected body area c. control of organs in the affected body area d. sensation of the muscles on the opposite side of the body
Mia has lived in New York City all her life. She has noticed that people from upper Manhattan walk really fast, but people from lower Manhattan tend to walk slowly. Mia's observations are likely influenced from a judgment error based on her using
A. the law of large numbers. B. an atmosphere effect. C. an illusory correlation. D. the falsification principle.