Question
To demonstrate flavor aversion learning (that is, learning to dislike a flavor that is associated with...
To demonstrate flavor aversion learning (that is, learning to dislike a flavor that is associated with becoming sick), researchers gave one group of laboratory rats an injection of lithium chloride immediately following consumption of saccharin-flavored water. Lithium chloride makes rats feel sick. A second control group was not made sick after drinking the flavored water. The next day, both groups were allowed to drink saccharin-flavored water. The amounts consumed (in milliliters) for both groups during this test are given below.
| Amount
Consumed by Rats That Were Made Sick (n = 4) |
Amount
Consumed by Control Rats (n = 4) |
|---|---|
| 1 | 12 |
| 5 | 7 |
| 3 | 11 |
| 4 | 9 |
(a) Test whether or not consumption of saccharin-flavored water differed between groups using a 0.05 level of significance. State the value of the test statistic. (Round your answer to three decimal places.)
(b) Compute effect size using eta-squared (η2).
(Round your answer to two decimal places.)
η2 =
Homework Answers
Answer #1
a)
value of the test statistic =-4.645
reject the null ypothesis
b)
| effect size =η2=ω2=t2/(t2+df) = | 0.78 | |
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