Given that nonexperimental datasets are likely to have treatments that have not been randomly assigned, what is likely to contribute to difference in average outcomes between groups with different treatment levels?
A. Some of those differences are driven by a selection bias
B. Heteroskedasticity
C. Skewed perceptions of quality
D. Non-normality of the underlying population distribution
Answer: A
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The cerebellum functions in:
A. memory storage B. emotions C. balance and motor skills D. basal body functions like heart function and respiratory rate
A key difference between hormonal regulation of the reproductive systems of males and females is that:
A. LH and FSH are released only in females. B. LH and FSH are released only in males. C. LH and FSH are released cyclically in females but nearly continuously in males. D. LH is released in males and FSH is released in females. E. LH is released continuously in males and FSH is released cyclically in females.
Which of the following proteins-functions is mismatched?
A. DNA polymerase-DNA synthesis B. DNA polymerase-primer removal and replacement with DNA C. DNA primase-production of RNA primer D. topoisomerase-separates double-stranded DNA into single strands E. single-stranded binding proteins-prevents single DNA strands from reforming into a double helix
If a plant's stomata were always closed, how would this affect the plant's ability to make glucose?
A. Plants would be able to make more sugar than normal. B. Plants would make less sugar than normal. C. There would be no effect on the ability of the plant to make glucose.