RAT Saline .01 mg Amphetamine .25 mg Amphetamine .5 mg Ritalin 1 mg Ritalin 1 84...

RAT	Saline	.01 mg Amphetamine	.25 mg Amphetamine	.5 mg Ritalin	1 mg Ritalin
1	84	84	84	88	88
2	90	90	90	88	91
3	84	83	94	89	89
4	92	92	87	94	90
5	92	93	97	96	92
6	88	78	88	90	93
7	88	88	94	94	94
8	80	82	87	83	82

Researchers trained 8 rats in a signal detection procedure. The rats had to respond on two levers (left or right) signifying whether they had just seen a green light or not. Prior to test sessions, each of the rats was given a drug. The dependent variable was the percentage of trials in which they responded correctly. The researchers hypothesized that since amphetamine and Ritalin are used therapeutically to improve attention in humans, it might improve signal detection in the rats. What would you conclude?

Using alpha .05

Please if possible show the information breakdown.

Solutions

Expert Solution

as the p value is 0.07, which is not less than 0.05,hence we fail to reject the null hypothesis

orchestra answered 1 year ago

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