Fill in the blank: Exclusion criteria ________________________________________.

	a.	are strictly the opposite of the inclusion criteria
	b.	allow a focused study to emerge
	c.	are unfair; everyone should be included in a study
	d.	are only important in convenience sampling

One example of convenience sampling is to place posters in a school or hospital to elicit volunteers.

True

False

As a researcher reports results of a study, an ethical consideration includes reporting sampling bias when attributes of a population are over- or under-represented by the sample.

True

False

Snowball and Purposive sampling are useful in pursuing which type of populations?

	a.	Readily available populations
	b.	Individuals with common conditions
	c.	Large populations
	d.	Rare populations