#### Answer

Yes, it appears to be unbiased.

#### Work Step by Step

The conductors and financial sources for the study are all very trustworthy. There is no sign of influence by groups who would want the study to produce results one way or another.

Published by
Pearson

ISBN 10:
0321836960

ISBN 13:
978-0-32183-696-0

Yes, it appears to be unbiased.

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