When does bias occur?Group of answer choicesWhen the sample is not representative of the population of interest.When the sample size is not large enough.When the research topic is too broad.All of the other responses.

Which of the following best describes sampling bias?Group of answer choicesThe systematic error introduced by researchers during data analysis.The tendency of a sample to contain too few observations.The unintentional favoring or exclusion of certain groups within a population during the sample selection process.The process of randomly selecting individuals from a population for a study.The process of selecting a representative subset of a population for a study.

Which source of bias often results when questions are sensitive in nature such that respondents may not want to answer truthfully?Group of answer choicesInterviewer EffectNon-response biasUndercoverageQuestion type biasMisleading response bias

According to this class/the notes, which of the following is TRUE about non-response bias?Group of answer choicesIt is mostly a concern when the surveys are shortIt is when people stop responding towards the end of the surveyIt is when there is a systematic difference between the people who responded to the survey and the people who didn'tIt is NOT a concern when using probability sampling

Which selection technique is MOST likely to introduce bias?Group of answer choicesApplication formsAptitude testsDrug testingPolygraph testsInterview

Why is it difficult to account for bias in statistical calculations?Group of answer choicesBecause there are many sources of bias.Because the field of statistics hasn't developed the relevant theory to address bias.Because bias affects the entirety of the data available.Because we have to account for chance error as well.