Common data analysis factors that are potential sources of ...

[daltonest1984]

Common data analysis factors that are potential sources of measurement error include
 a. errors made in the coding and tabulation process
  b. variations in the environment such as time of day, temperature, presence of family members
  c. variations in how the questions are administered, such as by phone or through e-mail
  d. the degree of ambiguity and difficulty of the questions and the ability of respondents to answer

Question 2

In which type of sampling does every element in the population have a known, nonzero probability of selection?
 a. absolute sampling
  b. relative sampling
  c. nonprobability sampling
  d. probability sampling

[karmakat49]

Answer to Question 1

A
Data analysis factors, such as coding and tabulating responses, can cause measurement errors.

Answer to Question 2

D

[daltonest1984]

Excellent

[aruss1303]

TYSM