In a systematic observation study, two different people use the coding system to analyze the same videotape. The level of agreement between the two observers is then determined. This activity addresses which methodological issue in systematic observation?

reliability

Explanation:

Reliability in psychological research is defined as the constancy of a research study or determining test.

Research reliability defines the degree through which a research method produces consistent and stable results. A particular measure is contemplated to be reliable if its implementation on a similar object of measurement plenty of times produces similar results.