Secondary source data is particularly useful to researchers who cannot access primary sources. Explain this statement. (3)

Identify the type of research design from the following: (5)

The researcher attempts to establish cause-effect relationships among the variables.

The researcher wants to collect extensive data on the program which the investigation is focused.

The researcher wants to gathering empirical data on human cultures.

The researcher wants to investigate and explain the nature of the relationship between intelligence and self-esteem.

The researcher wants to examine situations in order to establish what is the norm.