4-C. ... 5-D. ... 6-A. ... 7-D. ... 8-C. ... 9-B. ... 10-D. It's really a joy and a delight that you've learned so much by posting all of these questions.
The way in which the sample of participants is obtained from the experimental technique
Circularity system........…….......
The two best answers would be B) and D).
From that ragged, motley list of statements, only 'C' is true.
