221. Many concepts find their origin from
(a) Greek
(b) English
(c) Latin
(d) Many languages
222. A tentative proposition subject to test is
(a) Variable
(b) Hypothesis
(c) Data
(d) Concept
223. Analogies are sources of ……………….
(a) Data
(b) Concept
(c) Research
(d) Hypothesis
224. Facts, figures and other relevant materials serving as bases for a study is called
(a) Sample
(b) Method
(c) Data
(d) Theory
225. There are mainly…………. sources of data
(a) 10
(b) 2
(c) 5
(d) 4
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