11. Can pleasant aromas help a student learn better? Two researchers belleved th the presence of a floral scent could improve a person's learning ability in certa situations. They had twenty-two people work through a pencil and paper maze s times, three times while wearing a floral-scented mask and three times wearing a unscented mask. The three trials for each mask closely followed one anothe Testers measured the length of time it took subjects to complete each of the s trials. They reported that, on average, subjects wearing the floral-scented mas completed the maze more quickly than those wearing the unstented mask, althoug the difference was not statistically significant. This study is a. a convenience sample. b. an observational study, not an experiment. c. an experiment, but not a double blind experiment. d. a double blind experiment.
11. Can pleasant aromas help a student learn better? Two researchers belleved th the presence of a floral scent could improve a person's learning ability in certa situations. They had twenty-two people work through a pencil and paper maze s times, three times while wearing a floral-scented mask and three times wearing a unscented mask. The three trials for each mask closely followed one anothe Testers measured the length of time it took subjects to complete each of the s trials. They reported that, on average, subjects wearing the floral-scented mas completed the maze more quickly than those wearing the unstented mask, althoug the difference was not statistically significant. This study is a. a convenience sample. b. an observational study, not an experiment. c. an experiment, but not a double blind experiment. d. a double blind experiment.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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