A variable that is cause a change in another variable is called a numerical variable.

Before selecting sampling, the researcher must identify the population.

Hypothesis is important statements and questions formulating to be tested. 

A reference includes the names of the authors, the date and title of the publication 

Literature review helps you find what has already been done in your area of research 

Focus group is a small group of:

When designing a questionnaire, it is important to do each of the following EXCEPT

The quantitative method is sometimes used to conduct experimental studies; this is referred to as:

Secondary data include official statistics such as birth rate& unemployment. 

A sample of students found on the street near your university, this a Convenience sampling.