Identify the design-case 4
Identify the design-case 4
A psychiatrist wanted to test the effects of three new drugs on serotonin levels of schizophrenic patients. He randomly selected 30 schizophrenic patients and randomly assigned them to three groups 10 patients per group. Group 1 received Drug 1, Group 2 received Drug 2, Group 3 received Drug 3. Ten hours later he measured the content of serotonin in the patients blood in nano liters. Identify the statistical design. Give your answer in the comments space below.
A psychiatrist wanted to test the effects of three new drugs on serotonin levels of schizophrenic patients. He randomly selected 30 schizophrenic patients and randomly assigned them to three groups 10 patients per group. Group 1 received Drug 1, Group 2 received Drug 2, Group 3 received Drug 3. Ten hours later he measured the content of serotonin in the patients blood in nano liters. Identify the statistical design. Give your answer in the comments space below.
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df total?
df total?
df between?
df within?
df total 29 df between 2
df total 29
df between 2
df within 27
df within 27