A study in which the majority of the subjects die calls into question whether the treatment itself is safe.
b. Subjects who drop out may differ from those who stay in the study, in terms of an important extraneous variable.
c. If subjects drop out of the control group, and not the experimental group, it strongly implies that there is some benefit to participation of which the researchers may not be aware.
d. Subject mortality may result in a sample that is so much smaller than anticipated that type II error may result.
<span>e. Type I error is almost guaranteed with very unequal sample sizes.
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Answer:
Image result for Place each element in order of most effective to least effective, as it appears in the hierarchy of controls.
NIOSH defines five rungs of the Hierarchy of Controls: elimination, substitution, engineering controls, administrative controls and personal protective equipment. The hierarchy is arranged beginning with the most effective controls and proceeds to the least effective.
Explanation:
I mean if you consider death as a benefit..... then there you go
Allow the parents to remain with the child as much as possible.
Mature egg cell (female gamete). Ova develop from immature egg cells called oocytes. a male or female sexual reproductive cell; sperm cell or ovum.
