A child psychologist conducts a study to test whether infants born prematurely b

Question

A child psychologist conducts a study to test whether infants born prematurely begin to walk earlier than do infants in general. Which of the following scenarios represent a Type 2 error?

A.) The psychologist concludes that premature infants do walk earlier than infants in general when the true situation is that they actually do not.

B.) The psychologist concludes that premature infants do walk earlier than infants in general when the true situation is that they actually do.

C. The psychologist concludes that premature infants do not walk earlier than infants in general when the true situation is that they actually do.

D.) The psychologist concludes that premature infants do not walk earlier than infants in general when the true situation is that they actually do not.

Explanation / Answer

TYPE 2 ERROR OCCURS WHEN WE FAIL TO REJECT THE FALSE NULL HYPOTHESIS

HERE THE NULL HYPOTHESIS THAT BOTH WALK AT SAME TIME

ALTERNATE WILL BE THAT PREMATURE INFANTS WALK EARLY

SO AS PER THE TYPE 2 ERROR

THE NULL HYPOTHESIS SHOULD BE WRONG

AND CONCLUSION WILL HE OF NULL HYPOTHESIS

THEREFORE IT MEANS WE WILL CONCLUDE THAT THE PREMATURE INFANTS DO NOT WALK EALRY WHERE AS IN ACTUAL THEY DO. STATEMENT C IS CORRECT

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