151. Probability sampling is otherwise called
152. Questions in which only two alternatives are possible is called
153. All surveys are essentially ...............
154. Science is broadly divided into
155. In a ..................... observation researcher is a part of observation
156. A Hypothesis which develops while planning the research is
157. Hypothesis concerned with analytical variable is
158. A Hypothesis from which no generalization can be made is
159. Scientific method is committed to ...................
160. Basing conclusions without any bias and value judgment is ....................
161. Social Science deals with ....................
162. A question which requires a solution is .................
163. There is a concept by
164. A two way systematic conversation between an investigator and respondent is called
165. In adequate response, Interviewers bias non response etc is the limitations of
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