Imagine we KNOW that a treatment actually does have an effect but the researcher concludes there is no effect. A) The research has made a Type _____ error B) What is the probability of this error? a.beta b.1-alpha c.alpha d.1-beta

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Imagine we KNOW that a treatment actually does have an effect but the researcher concludes there is no effect.

A) The research has made a Type _____ error

B) What is the probability of this error?

a.beta

b.1-alpha

c.alpha

d.1-beta

A researcher wants to know if a treatment significantly
increases the well being of someone with depression. The
average person with depression scores a 7.2 on a well being
scale with a SD of 1.4 points. The researcher administers the
treatment to 25 clients for a month and finds their well being at
the end to be 7.7. Assume an alpha level of .05.
Transcribed Image Text:A researcher wants to know if a treatment significantly increases the well being of someone with depression. The average person with depression scores a 7.2 on a well being scale with a SD of 1.4 points. The researcher administers the treatment to 25 clients for a month and finds their well being at the end to be 7.7. Assume an alpha level of .05.
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