Identify the statistical design-case 12
Identify the statistical design-case 12
Study the experiment described below and answer these questions:
1. Identify the design.
2 Which statistical test will the experimenter run?
3. When the experimenter will publish his findings, will he report a p value?
A pharmacologist wanted to test the effects of a new drug on general behavioral arousal. He used three hamsters. The measure of arousal was spontaneous running activity in a running wheel. In phase A, he recorded daily wheel turns for 10 days. In phase B, he gave the hamsters the drug daily and recorded their wheel running for 10 days. In the third phase he reintroduced phase A, that is he withdrew the drug and recorded the running activity of the hamsters for 10 days.
Study the experiment described below and answer these questions:
1. Identify the design.
2 Which statistical test will the experimenter run?
3. When the experimenter will publish his findings, will he report a p value?
A pharmacologist wanted to test the effects of a new drug on general behavioral arousal. He used three hamsters. The measure of arousal was spontaneous running activity in a running wheel. In phase A, he recorded daily wheel turns for 10 days. In phase B, he gave the hamsters the drug daily and recorded their wheel running for 10 days. In the third phase he reintroduced phase A, that is he withdrew the drug and recorded the running activity of the hamsters for 10 days.
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looks like repeated measures
looks like repeated measures ANOVA.
agree but 3 subjects? You'll
agree but 3 subjects? You'll never find significance.
df 2? never. No experiments
df 2? never. No experiments like this in real life.
"small-n design", no
"small-n design", no statistical analysis.
small n design
small n design
BF Skinner -- no stàts
Small n designs
Nonsense, who is skinner?
Nonsense, who is skinner?
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