1. Observation and Inference

2. Observation vs. Inference
A factual description based on our five senses
Not based on opinion
Would not cause argument

3. Quantitative uses numbers; provides measurements of something

4. Qualitative uses describing adjectives; describes the characteristics of something

5. Observation vs. Inference
Using prior knowledge and/or past experiences to make a decision based on observations.
Can be based on opinion
Could be argued, but should not be nonsensical