Information gathered through the five senses (sight, hearing, touch, taste, smell). It forms the initial input for understanding the world.
A controlled procedure designed to test a hypothesis or discover a new phenomenon. It allows for systematic observation and manipulation of variables.
The process of quantifying observations using standardized units. It provides objective and comparable data.
Striving to minimize personal bias and subjective interpretation in observation and data collection. It aims for unbiased representation of reality.
The ability for an experiment or observation to be repeated by others and yield similar results. It ensures the reliability and validity of findings.