Question

+-/6 points UHStats 6.E.019. My Notes Ask Your Teather Twenty students agreed to participate in a study on colds. Ten were randomly assigned to receive vitamin C, and the remaining 10 received a tablet that looked and tasted like vitamin C but in fact contained only sugar and flavoring. The students did not know whether they were taking vitamin C or not, but the investigators did. The students were evaluated after 2 months to see who came down with a cold and who didn't Explain whether each of the following terms applies to this randomized experiment. oqaoed (e) O Yes, because some of the participants came down with a cold. O Yes, because the participants do not know which tablet they are taking. O Yes, because the sugar tablet is designed to look and taste ike vitamin C. O No, because the sugar tablet is designed to look and taste lke vitamin C. O No, because the participants do not know which tablet they are taking. (b) single blind O Yes, because the participants do not know which treatment they have been assigned. O Yes, because neither the researchers nor the participants know which treatment was assigned. O No, because the researchers know the treatment assignment for each participarie No, because the participants know which treatment they are taking. O No, because both the researchers and the participants know which treatment was assigned. () double blind O Yes, because the participants do not know which treatment they have been assigned. O Yes, because neither the researchers nor the participants know which treatment was assigned. O No, because the researchers know the treatment assignment for each participant. O No, because the participants know which treatment they are taking. O No, becase both the researchers and the participants know which treatment was assigned. (d) matched pairs O Yes, because a participant could receive one of two tablets. O Yes, because 10 students were assigned to each group. O Yes, because a researcher was paired with a participant from each group. O No, because a researcher was not paired with a participant from each group. O No, because participants were not paired or matched in any way. (e) repeated measures O Yes, because the participants were measured on a daily basis. O Yes, because the participants were measured twice once at the beginning and once at the end. O No, because participants were given one of two tablets. O No, because the participants are measured only once at the end of the two month period. O No, because the participants are measured only once they come down with a cold. (f) replication Yes, because a participant could receive one of two tablets. O Yes, because 10 students were assigned to each group. O Yes, because a researcher was paired with a participant from each group. O No, because a researcher was not paired with a participant from each group. No, because participants were not paired or matched in any way.