researcher wants to know if a treatment significantly changes the wellbeing of someone with depression. The average person with depression scores a 7.2 on a wellbeing scale with a SD of 1.4 points. The researcher administers the treatment to 25 clients for a month and finds their wellbeing at the end to be 7.7. Assume an alpha level of .05. imagine we know that a treatment does not actually have an effect but the researcher concludes there is an effect. 1a.Why might a researcher make this error? 1b. What is the probability of this error? 1c. How could we decrease this probability?
researcher wants to know if a treatment significantly changes the wellbeing of someone with depression. The average person with depression scores a 7.2 on a wellbeing scale with a SD of 1.4 points. The researcher administers the treatment to 25 clients for a month and finds their wellbeing at the end to be 7.7. Assume an alpha level of .05. imagine we know that a treatment does not actually have an effect but the researcher concludes there is an effect. 1a.Why might a researcher make this error? 1b. What is the probability of this error? 1c. How could we decrease this probability?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A researcher wants to know if a treatment significantly changes the wellbeing of someone with depression. The average person with depression scores a 7.2 on a wellbeing scale with a SD of 1.4 points. The researcher administers the treatment to 25 clients for a month and finds their wellbeing at the end to be 7.7. Assume an alpha level of .05.
- imagine we know that a treatment does not actually have an effect but the researcher concludes there is an effect.
1a.Why might a researcher make this error?
1b. What is the
1c. How could we decrease this probability?
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