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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
You have just conducted a study testing how well two independent variables, daily sugar intake (as assessed by a 25-item eating habits scale) and physical activity (as assessed by a 20-item daily physical activity scale), predicted the dependent variable of blood sugar levels. There were only 17 participants to start with, and 3 of them dropped out prior to having their blood sugar levels assessed. In addition, 2 participants left one item blank on the physical activity scale, and 4 other participants left most of the data on the eating habits scale blank. At their debriefing interview, they said they just couldn’t estimate food intake with any accuracy.
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a. What will you do with the 3 participants who dropped out just prior to having their blood sugar levels assessed?
b. What are your choices with regard to the 2 participants who left one item blank on the physical activity scale?
c. What are your choices with regard to the 4 participants who did not respond to most of the items on the eating habits scale?
d. Do you recommend using these data at all? If so, how?
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