DR 8.26 FFQ 1.68 0.83 0 20.13 15.1 11.16 7.49 7.18 12.84 1.76 0 22.66 25.06 A. 0
ID: 3124882 • Letter: D
Question
DR
8.26
FFQ
1.68
0.83
0
20.13
15.1
11.16
7.49
7.18
12.84
1.76
0
22.66
25.06
A. 0.89
B. -0.89
C. None of the answers are correct
D. 0
Frequent food questionnaires (FFQ) are a simple way to obtain information on the foods individuals consume by asking them questions about typical amounts of food consumed in a day or week or month. A more accurate picture is obtained by obtaining a detailed food diary (DR) for several days, randomly chosen over a certain time period. The data obtained from a frequent food questionnaire can be compared with the food diary to assess the validity of the questionnaire. The data below are for seven individuals who participated in such a study on alcohol consumption.DR
8.26
FFQ
1.68
0.83
0
20.13
15.1
11.16
7.49
7.18
12.84
1.76
0
22.66
25.06
A. 0.89
B. -0.89
C. None of the answers are correct
D. 0
Explanation / Answer
Asnwer is A
since the correlation between the FFQ and DR is 0.89
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.