A researcher investigating the effect of peer tutoring on reading skills studies two groups of children in remedial reading classes. One group receives peer tutoring three times a week for three months, the other group does not
At the end of the three months, the two groups are tested in reading skills. What is the independent variable in this experiment?
a. peer tutoring versus no tutoring
b. reading skills level at the beginning of the experiment
c. reading skills level at the end of the experiment
d. reading skills test itself
a
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Which of these is the correct order in which sperm travel from the seminiferous tubules during ejaculation?
a. ejaculatory ducts, vas deferens, epididymis, urethra b. epididymis, vas deferens, ejaculatory ducts, urethra c. urethra, ejaculatory ducts, epididymis, vas deferens d. scrotum, vas deferens, urethra, ejaculatory ducts
Which of the following would not be classified as a substance related disorder in DSM-5?
a) John drinks socially but has been unable to cut down upon his doctor's recommendation. b) Mary experiences extreme withdrawal symptoms when she does not use heroin for a few days. c) Rufus lost his driver's license because of repeated arrests for driving while under the influence of marijuana. d) None of the above.