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Feliz [49]
3 years ago
6

Juanita recruits participants for a study examining the impact of adrenaline on attraction. In her study she randomly assigns pa

rticipants to either receive a placebo injection or an injection of adrenaline. All participants then rate the desirability of potential romantic partners. Juanita is conducting a(n) __________ and the appropriate statistical test is a(n) _________.a. correlation; ANOVA
b. three-group experiment; independent samples t-test
c. two-group experiment; independent samples t-test
d. observational study; correlation
Biology
1 answer:
Fantom [35]3 years ago
8 0

Answer:

two-group experiment; independent samples t-test

Explanation:

  • A two-group experiment is designed to study the cause-effect relationship between any two variables.
  • In a two-group experiment, the researcher conducts a study on two groups - one of which is the control or the placebo group and the other one is the treatment group.
  • The study conducted by Juanita also consists of a group of participants of which one is a placebo group and the other is the group that has received adrenaline and hence this is a two-group experiment.
  • An independent samples t-test is applied when we need to make a comparison between two groups and thus, see the outcome of the statistical difference between the means of two groups or the two types of interventions used.
  • Since this test can be applied by Juanita this would be the most appropriate t-test to be used.
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