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A health psychologist tests a new intervention to determine if it can change healthy behaviors among children. To conduct the test, the researcher gives one group of children an intervention, and a second group is given a control task without the intervention. The number of healthy behaviors observed in the children during a 5-minute observation are given in the table. Use the following data to answer the questions.} NOTE: The problem doesn't say this, but because this is a chapter on related samples t tests, you can assume that a child in the intervention group is matched to a particular child in the control group.   Calculate the difference scores. Use D = Yes - No. List the difference scores. (for example, x, x, -x, etc.) (whole numbers) _________ Calculate the mean of the difference scores. (whole number) MD​ =

A health psychologist tests a new intervention to determine if it can change healthy behaviors among children. To conduct the test, the researcher gives one group of children an intervention, and a second group is given a control task without the intervention. The number of healthy behaviors observed in the children during a 5-minute observation are given in the table. Use the following data to answer the questions.} NOTE: The problem doesn't say this, but because this is a chapter on related samples t tests, you can assume that a child in the intervention group is matched to a particular child in the control group.   Calculate the difference scores. Use D = Yes - No. List the difference scores. (for example, x, x, -x, etc.) (whole numbers) _________ Calculate the mean of the difference scores. (whole number) MD​ =

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CT: Chapter Test
Problem 16CT: How many six-digit license plates can be made if no plate begins with 0 or 1?
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  1. A health psychologist tests a new intervention to determine if it can change healthy behaviors among children. To conduct the test, the researcher gives one group of children an intervention, and a second group is given a control task without the intervention. The number of healthy behaviors observed in the children during a 5-minute observation are given in the table. Use the following data to answer the questions.}

NOTE: The problem doesn't say this, but because this is a chapter on related samples t tests, you can assume that a child in the intervention group is matched to a particular child in the control group.

 

Calculate the difference scores. Use D = Yes - No.

List the difference scores. (for example, x, x, -x, etc.) (whole numbers)

_________

Calculate the mean of the difference scores. (whole number) MD​ =

_________

Intervention Yes No 7 4 6. 7 7 6. 7 6. LO LO LO LO
Transcribed Image Text:Intervention Yes No 7 4 6. 7 7 6. 7 6. LO LO LO LO
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