Question

Bias can destroy our ability to gain insights from our sample. What are the two primary sources of
bias in sampling?
poorly worded questions and using multi-stage samples
spending too little time with each participant and using phone surveys
randomization and allowing voluntary response options
selecting a non-representative sample and measuring improperly

Answer 1

Two types of bias are selection bias and response bias

The correct option for the two primary sources of bias in sampling are;

Selecting a non-representative sample and measuring improperly

The reason why the above options are correct is given as follows;

Bias in sampling occurs when it is more likely to select particular members of the society than others, systematically

Sampling bias is caused by the the procedure by which the data is collected and, the study design

Therefore, the correct option for the two primary sources of sampling bias are;

Selecting a non-representative sample, which is an example of bias caused by study design; a selection bias

Measuring improperly, which is an example of bias causes procedure; a response bias

Learn more about sampling bias here:

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