A qualitative observation merely indicates that the subject posesses a certain quality, for example "this water is salty". A quantitative observation takes a measurement of the quality, for example...
Qualitative observation is becoming aware of an object/event by using properties related to numbers and/or measurements. Weight, height, etc. Anything measured with a numeric value is considered...
A quantitative observation involves looking at the numerical aspects and properties of a substance. For instance, there are are 3.0 grams of sodium chloride in this weighboat.
A qualitative...