Answer :
Quantitative & Qualitative !
Quantitative observations are measurements & Facts.
Qualitative May not be facts.
Quantitative observations are measurements & Facts.
Qualitative May not be facts.
The correct answer is:
qualitative and quantitative.
Explanation:
Observation is the rapid retrieval of information from a first source. In living beings, observation contracts the senses. In science, observation can also include the recording of data via the use of scientific tools. Qualitative observation is a personal process of collecting data or knowledge while quantitative observation is an objective process of accumulating data or information.