This type of bias is present if the method used is to blame for the resulting bias.
What is response bias?
The part of an experiment that the researcher actively changes about the subjects.
What is the treatment?
This response bias occurs when sampling units are unreachable or fail to answer a survey.
What is nonresponse bias?
"Would you go against the Second Amendment and support the harsher regulation of firearms?" is an example of this type of bias.
What is response bias?
This type of sampling bias occurs when people are asked to call-in and give an opinion.
What is voluntary response bias?
While studying the proportions of colors of plain M&M's, you randomly select a few packages from the store. This is an example of this sampling technique.
What is a Cluster Sample?
Along with the possibility of destroying tested units, saving money, and collecting better information, this is a reason to choose a sample over a census.
What is saving time?
This type of bias is present when, for example, an administration only interviews the first 100 students in the lunch line.
What is convenience bias ?
In your results, this will be greatly reduced if you stratify the population properly.
What is variability?
A type of experiment in which each unit is given ALL treatments in a random order.
What is Own Pair Design?
In an experiment on young group dynamics, a teacher divides a class into eight groups, four groups of boys and four groups of girls. The groups of boys are then given three, two, one, or no pieces of candy, as are the groups of girls. In the experiment, the gender and the amount of candy are these.
What are the factors?