Ryan et al. (1991) report results from the Ross Laboratories Mothers Survey, a national mail survey investigating
Question:
a. What are the advantages and drawbacks of oversampling the low-income families in this survey? What implicit model is adopted for non response?
b. Weighted counts are “comparable with those published by the U.S. Bureau of the Census and the National Center for Health Statistics” on ethnicity, maternal age, income, education, employment, birth weight, region, and participation in the Women, Infants, and Children supplemental food program. The weighted counts estimated that about 53% of mothers had one child, while the government data indicated that about 43% of mothers had one child. Does the agreement of weighted counts with official statistics indicate that the weighting corrects the non response bias? Explain.
c. Discuss the use of weighting in this survey. Can you think of any improvements?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: