Structured study of Christian doctrine.

A systematic review is a scholarly synthesis of the evidence on a clearly presented topic using critical methods to identify, define and assess research on the topic.

Errors consistent across repeated measurements.

Gradual exposure reduces anxiety response.

Consistent, repeatable error in measurement.

Risk inherent to entire market.

Selecting samples at regular intervals.

Systematic survey or extensive survey is the archaeological technique of detailed examination of an area for the purpose of recording the location and significance of archaeological resources.

Selection from population at intervals.

a peer-reviewed scientific journal covering the study of systematic botany.