Observation errors occur because a. inaccurate information is ...

[sam.t96]

Observation errors occur because
 a. inaccurate information is obtained from the sample elements.
  b. errors are introduced in the processing of the data.
  c. errors are introduced in reporting the findings.
  d. some elements of the sample do not respond.
  e. a, b, and c.

Question 2

To identify whether potential respondents meet eligibility requirements, an interviewer will typically use a(n)
 a. eligibility percentage.
  b. leading question.
  c. loaded question.
  d. screening question.
  e. alternative questionnaire.

[reelove4eva]

Answer to Question 1

E

Answer to Question 2

D

[sam.t96]

Excellent

[xiaomengxian]

TYSM