Quantitative observations have to do with things that can be precisely measured. You are being asked for a number.
Qualitative observations have more to do with characteristics of what is being observed.
The first is generally considered more precise and is generally preferred in 'hard' science.
Example:
Quantitative observation-
1) There are seven marbles on the table. They have a diameter of 1,5 centimeters.
Qualitative-
2) There are a bunch of marbles on the table. They are blue in color, round in shape, and smooth to the touch.
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Quantitative observations are observations that can be precisely measured. Qualitative observations, meanwhile, are subjective observations that are based on the characteristics of what is being observed.
qualitive
quantitive risk assessment is to do with numers, high, medium and low numbers can range from 5 to 1 qualitive risk assessments are words, descriptive words
The main difference between qualitative and quantitative research/observations are the purposes of the observations. Qualitative research uses a small number of cases to determine the underlying reasons and motivations of an action. Quantitative research uses a large number of cases to create a generalized result.
If something is Quantitative it is in the form of numbers and obtained by measurement. Eg: To time something you use a stopwatch and note down the number on the stopwatch. If something is Qualitative you do not use numbers but instead note down what you observe and try to describe it in words. Eg: When I added the Silver Nitrate to the Chloride solution a white precipitate formed.