# What can you do at the survey design stage to reduce the risk of unit nonresponse

*label*Mathematics

*timer*Asked: Dec 15th, 2017

*account_balance_wallet*$60

**Question description**

53. What can you do at the survey design stage to reduce the risk of unit nonresponse?

57.What is an unbalanced panel? When can unbalancedness be a problem?

60. Provide examples of measurement error problems that are nonclassical.

63. Discuss two examples of parametric statistical model.

64 Discuss the nature of the parameter space for a simple classical linear regression model. How does this parameter space change if you know that your regression line goes through the origin?

65 Suppose that X and Y are jointly normal and you assume that the conditional mean of Y given X is linear in X. How restrictive is your assumption? Discuss.

66 Suppose that X and Y are jointly normal and you assume that the conditional variance of Y given X does not depend on X. How restrictive is your assumption? Discuss.

67 What is a linear probability model? What are the pros and cons of this model?

72 Contrast the classical (frequentist) and the Bayesian approaches to statistical modeling. Illustrate with one example.

73 How do you interpret a prior distribution over the parameter space of a statistical model? Illustrate with one example.

## Tutor Answer

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Question 53

Varying data collection modes will have different average rates of response. Using the

theory of leverage-salience in participation surveys would give some insights about the behavior

of the interviewer. The interviewer should discern the interviewee to achieve utmost cooperation

from them. Secondly, effective interviewer should learn to keenly observe the interviewees

behavior in both verbal and non-verbal traits so that they can discern their concerns, whereby the

description of the survey will be customized to those concerns hence improving their response

rates. Thirdly, the public should be made ‘survey-minded.’ In case there exists a statistics

positive appreciation from the public, respondent cooperation will be higher. Fourthly, there

should be an extensive training of statisticians. Making the statisticians have a proper knowledge

of the non-response issue will make them able to address it entirely failure to which they will

disregard this concern. Fifthly, there should be preparations to send reminders and call-backs so

that the respondent may plan and remember the scheduled time for the interview. Finally, an

estimate for non-respondent sampling should be conducted (Amahia, 2004). The equation bellow

can be helpful in evaluating this estimate;

p = 0.8p1 + 0.2p2

where,

p1 = applied estimate to the collected data through mail

p2 = applied estimate ...

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