1).

Decision makers often face situations wherein they are interested in testing ___________ on the basis of available information and then take decisions on the basis of such testing.

Question 59 options:

	hypotheses
	results
	questionnaire
	data

2).

This concept implies that the procedure adopted to undertake an investigation follows a certain logical sequence. The different steps cannot be taken in a haphazard way. Some procedures must follow others.

Question 60 options:

	Systematic
	Controlled
	Valid and Verifiable
	Critical