Ethical principles in research is associated with

The specific objectives should systematically address the various aspects of the problem as defined under “the statement of the problem.” 

Promises to hold the information in confidence and not make them available to anyone else are confidentiality. 

Variables are defined as special characteristics. 

In interviews the researcher should:

Cluster sampling is also known as:

Anonymity refers to the situation in which the researcher agrees to keep the information confidential.

Case study is in-depth investigations.    

The choice of sampling depends on the target population 

When each member of a population has an equal chance of being selected, this is called: