1. Data Collection

Sources Of Bias — Quiz

Test your understanding of sources of bias with 5 practice questions.

Practice Questions

Question 1

Which type of bias occurs when certain groups are underrepresented or overrepresented in a sample?

Question 2

A survey asks participants about their age, and some individuals intentionally report an age younger than their actual age. What type of bias is this?

Question 3

A study on the effectiveness of a new medication only includes patients who are willing to pay a high price for it. This is most likely to introduce:

Question 4

To reduce the impact of sampling bias, which of the following methods is generally considered most effective?

Question 5

A questionnaire uses a scale from 1 to 5 to rate satisfaction, but the options are 'Very Dissatisfied', 'Dissatisfied', 'Neutral', 'Satisfied', 'Extremely Satisfied'. The lack of a 'Very Satisfied' option might lead to: