Answer :

Answer:

Voluntarily response

Explanation:

Voluntarily response is a response in which people are in the voluntary response sample is known as the voluntary response bias. There was a famous example of response bias that a study on parenthood by Ann Lander's survey.  

There are some advantages and disadvantages of this survey response:

  • The researcher has no control.  
  • The sample is highly opinionated by people.  

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