Research subjects

Which of the following is anonymous with systematic sampling error

• random sampling error

• sampling bias

• random sampling error

• standard error

What type of sampling uses a lottery method only, like just pulling names out of a hat?

• simple random sampling

• systematic random sampling

• stratified random sampling

• non-probability sampling

What factor do all the techniques of probability sampling have in common?

• They all involve snowballing

• They are convenient

• They all include random selection

• None of the above

_______________ sampling involves creating a sample through a system of referrals by one participant telling another.

Samples are subsets of the __________________.

Samples need to be representative and ________________.