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BritishGent BritishGent
wrote...
Posts: 1205
7 years ago
If the psychologist wants to see if there is a change of any kind (either an increase or decrease) in procrastination after attending his workshop, the appropriate description of "Population 2" (the population to which the population his sample represents is being compared) would be
A) people whose difference scores will be 0 or greater than 0.
B) people whose difference scores will be 0.
C) people whose difference scores will be smaller than their pretest scores.
D) people whose posttest scores will be lower than their pretest scores.
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2 Replies
Using the textbooks:

Statistics for Psychology, 5th Edition (Aron)
Measurement and Evaluation in Psychology and Education, 8th Edition (Thorndike)
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aeLiaLaeLiaL
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Posts: 828
7 years ago
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BritishGent Author
wrote...
7 years ago
 I am very glad that i decided to get help from here
Using the textbooks:

Statistics for Psychology, 5th Edition (Aron)
Measurement and Evaluation in Psychology and Education, 8th Edition (Thorndike)
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