Free CPHQ Exam Braindumps
Certified Professional in Healthcare Quality Questions 86–90 (page: 19)

Systematic sampling is achieved by numbering or ordering each element in the population (e.g., time order, alphabetical order, and medical order) and then selecting every kth element. The key point that most people ignore when doing a systematic sample is that:

A random sampling also can be drawn by placing equally sized pieces of paper with a range of numbers on them (e.g., 1 to 100) in a bowl and picking a predetermined number to be the sample.
The problem with simple random samples is that:

Convenience sampling produces a biased sample that is basically a collection of anecdotes that cannot be applied generally to larger populations. Convenience sampling is also known as:

Quota sampling was developed in the late 1930s and used extensively by the Gallup organization. Babbie (1979) describes the steps involved in developing a quota sample. All of the following are out of those steps EXCEPT:

Statistical analysis conducted with control charts is different from what some consider "traditional research" (e.g. hypothesis testing, development of p-values, design of randomized clinic trials). Traditional research is designed to compare the results at time one (e.g. the cholesterol levels of a group of middle-aged men) with the results at time two (typically months after the initial measure). Research conducted in this manner is referred to as___________________.