Renee is studying the effect of positive reinforcement for her psychology class. She gets 8 pigeons, whom are measured for number of correct responses on a memory test before and after reinforcement training. Using a two-tailed test and use the data below to determine whether or not there is a difference between the two measurement conditions.
Before Reinforcement
After Reinforcement
6
5
8
4
7
3
what is the t obtain value for this test?
Based on the t-obtained and t-critical values, what can you conclude regarding the null hypothesis?
How do you interpret the results of the null hypothesis test? What do the results mean in regard to your IV and DV?
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