Suppose you are conducting a survey regarding illicit drug use among teenagers in some school district. you obtain a cluster sample of 12 schools within the district and sample all sophomore students in the randomly selected schools. they survey is administered by the teachers. this survey has bias.
(a) what is the type of bias?
a. response bias
b. sampling bias
c. nonresponse bias
(b) what is a possible remedy?
a. use systematic random sampling.
b. conduct face-to-face or telephone interview.
c. maybe perform the polling by professional social workers.

Response bias

              May perform polling by professional workers

Explanation:

(A) Response bias can be defined as the condition in which the bias is caused due to the participants self report, such as structured interviews or surveys.

In this case the samples is being collected by the teachers of the schools so there can be biasing in the sample.

(B) The possible remedy to this problem is that the survey must not be conducted by the bias person. The sample must be collected from the polling professional social workers that does not belong to any of the schools.

The sample collected by them would not be biased, it would be completely unbiased.

there is no options  

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