Question: A nutritionist designed a new weight-loss program and she had 15 individuals before and after the program. She weighed individuals before and after the program

A nutritionist designed a new weight-loss program and she had 15 individuals before and after the program. She weighed individuals before and after the program and calculated the difference scores as x preprogram x postprogram. The ______ value would mean the weight ______ after the program.

a) positive, decreased

b) positive, increased

c) negative, decreased

d) negative, stayed the same

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