Objectivity in research refers to data collection and analysis procedures from which a single reasonable interpretation can be made. 

use a general conclusion to understand a particular case

investigate a particular case and make a general conclusion

The aim/purpose of quantitative research 

is to establish relationships between

measured variables. 

In quantitative research re context

Most quantitative research attempts to establish universal, context- free generalizations.

Also known as pure, fundamental research. The main purpose is to generate or develop knowledge by testing or refining specific theories that provide broad generalisations. 

A theory predicts and explains natural phenomenon and findings that can be generalised.

An ethnographical study focuses 

 on a social system

Case studies are often used 

extraneous 

The predictor variable is also called the 

independent variable