6. Qualitative research studies:
A. Require valid and reliable research instruments.
B. Require complete objectivity of the researcher.
C. Measure emotional responses rather than object physiologic responses.
D Do not make use of inferential statistical techniques.

Correct option is (D)

Explanation:

Qualitative research is carried out by the researcher to understand a phenomena without using quantitative techniques. The variables are not quantified.Though, it can act as a boundary study from quantitative research.

A qualitative research requires the research instruments to be objective and objectivity of researcher. It measures social and emotional responses in the form of people's experiences, opinions and beliefs. It however, does not require use of mathematical or statistical techniques to make inferences or conclusions.

what are the options?

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.