Please identify at least one error source for each design decision, and defend your answer providing reason(s) as to why you think so. Please be as detailed as possible, and avoid bullet-point type short phrases. Here are the design decisions: 1. The decision to use repeated calls persuading reluctant respondents in a survey of customer satisfaction for a household product manufacturer. 2. The decision to reduce costs of interviewing by using existing office personnel to interview a sample of patients of a health maintenance organization (HMO) and thereby increase the sample size of the survey. The topic of the survey is satisfaction with the medical care they receive. 3. The decision to increase the number of questions about assets and income in a survey of income dynamics, resulting in a lengthening of the interview. 4. The decision to extend interviewing on a survey of the use of childcare facilities by parents of young children from the originally scheduled period of January 1-May 1, to the new schedule of January 1-August 1. 5. The decision to include prisons and hospitals in the sampling frame for a study of consumer expenditures