Genetically speaking, if both parents are diagnosed with schizophrenia, there is a ____________ chance of their child also developing the disorder
A) 0 %
B) 15 %
C) 50 %
D) 100 %
C
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Which of the following describes the amyloid plaques found in Alzheimer's disease?
a. asymmetrical neurofibrils b. ballooning of nerve cells c. clogged arteries in the frontal lobes d. a central core of protein material surrounded by clumps of debris from destroyed neurons
In a bivariate distribution, the relationship between X and Y
a. is best described by a straight line. b. can sometimes be nonlinear. c. is always systematic. d. cannot be plotted in a scatter diagram.
If other factors are held constant, what is the effect of increasing the sample size?
a. It will increase the estimated standard error and increase the likelihood of rejecting H0. b. It will increase the estimated standard error and decrease the likelihood of rejecting H0. c. It will decrease the estimated standard error and increase the likelihood of rejecting H0. d. It will decrease the estimated standard error and decrease the likelihood of rejecting H0.
In an experiment to study the effects of study skills training on academic achievement, the study skills training would be the __________ variable
a. dependent b. extraneous c. control d. independent