Measurement discipline deals with:

Identification of objects and events
- One aspect of measurement discipline is the identification of objects or events that need to be measured. This involves determining what needs to be measured and why it is important to measure it. For example, in a scientific experiment, researchers may need to measure the temperature of a sample to understand its behavior.

Selection of scale
- Another aspect of measurement discipline is the selection of an appropriate scale for measurement. A scale is a set of ordered categories or values that represent a measurement. For example, in a survey, respondents may be asked to rate their satisfaction on a scale of 1 to 5, with 1 being very dissatisfied and 5 being very satisfied. The selection of the scale depends on the nature of the measurement and the desired level of precision.

Evaluation of dimension of measurement scale
- The evaluation of the dimension of a measurement scale is an important step in measurement discipline. The dimension refers to the number of distinct categories or values on the scale. For example, a temperature scale may have three dimensions: Celsius, Fahrenheit, and Kelvin. The evaluation of the dimension helps ensure that the scale is appropriate for the measurement being made.

Conclusion:
Measurement discipline encompasses the identification of objects and events that need to be measured, the selection of an appropriate scale for measurement, and the evaluation of the dimension of the measurement scale. By following these principles, researchers and practitioners can ensure that their measurements are accurate, reliable, and valid.