Measurement of variation in health care and its application to quality improvement must begin with the identification and articulation of (Choose two):

It involves identification and selection of a patient's medical record or group of records after the patient has been
discharged from the hospital or clinic. Many proponents of medical record review believe it to be the most accurate
method of data collection. What is it?

Health plan databases are valuable because they contain detailed information on all care received by health plan members.
These databases are commonly used to identify patients who have not received preventive services such 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:

Overproduction
Inventory
Repairs/rejects
Motion
Processing
Waiting
Transport
These are the types of _____________ identified by Taiichi Ohno.