Question 1088639
4 main reasons for Non-sampling errors:

1. non-random sample
2. poorly worded question
3. untruthful response
4. human error

A) Incorrect recording of responses->(human error)
B) Non random sample selection ->(non-random sample)
C) Incomplete questionnaire ->(poorly worded question)
D) Falsification of data->  it does {{{not}}} include deliberately falsified data

so, your answer is D){{{Falsification}}} {{{of}}}{{{ data}}}