Help please Half of the subjects (the study volunteers) were given a placebo. The other half were given the vaccine. This created two groups: the placebo group and the vaccine group. The study used a random process to choose which subjects were assigned to each group. Why would subjects be randomly assigned to the groups?
Answers: 3
English, 21.06.2019 23:30
Which revision, if any, best fixes the bolded (capitalized in this case) part of the sentence? female cardinals, a somewhat drab bird compared to the males, blend in well with their environment. no change somewhat drab birds a somewhat drab's bird somewhat drab bird's
Answers: 2
English, 22.06.2019 01:00
Which words indicate a text is written i the first-person? a. she, her, hers b. they, them, theirs c. he, him, his d. i, me, my
Answers: 2
English, 22.06.2019 08:30
One of the girls brought some candy for you. the prepositional phrase(s) is/are __
Answers: 2
English, 22.06.2019 16:30
Which of the following sentences is written correctly? a. the spanish class meets on tuesdays and thursdays. b. the spanish class meets on tuesdays and thursdays. c. the spanish class meets on tuesdays and thursdays.
Answers: 2
Help please
Half of the subjects (the study volunteers) were given a placebo. The other half were g...
English, 05.07.2019 04:20
Mathematics, 05.07.2019 04:20
English, 05.07.2019 04:20