The types of research used in the positivist philosophy are:

a.

Testing hypotheses and theories , making observations, forecasting and making predictions, testing for correlations and causality

b.

Testing hypotheses, providing explanations, forecasting and making predictions, testing for correlations and causality

c.

Testing theories and predicting behaviour, providing explanations, forecasting and making predictions, testing for correlations and causality

d.

Making observations, putting patterns together, finding relationships between concepts, testing theories

e.

Testing statical significance, Making observations, putting patterns together, finding relationships between concepts, testing theories