PSYC 2300 Research Methods Chap 5B

Question 1

Stratified and proportionate stratified sampling both involve selecting from predetermined subgroups in the population.

Accepted Answer

True

Question 2

Using a simple random sample eliminates bias from the selection process.

Accepted Answer

True

Question 3

The major advantage of a simple random sample is that it ensures that _____.

Accepted Answer

the selection procedure is unbiased, although its outcome may be biased

Question 4

Simple random sampling is least likely to _____.

Accepted Answer

guarantee that the sample will be representative and unbiased

Question 5

The most commonly used sampling methods in psychology are nonprobability sampling methods.

Accepted Answer

True

Question 6

The starting point for most probability sampling techniques is _____.

Accepted Answer

simple random sampling

Question 7

The primary advantage of a stratified random sample is that it _____.

Accepted Answer

ensures that group sizes will be adequate for statistical analysis

Question 8

Downside of proportionate stratified sampling is that it can be impossible to compare smaller subgroups in a population

Accepted Answer

True

Question 9

One characteristic of random sampling with replacement is that it _____.

Accepted Answer

allows for the same individual to be selected more than once

Question 10

Professor teaching a class of 200 obtains a sample of 25 students by selecting every eighth name from the class This is

Accepted Answer

systematic sampling

Question 11

Simple random sampling guarantees that the sample will be representative of the population.

Accepted Answer

False

Question 12

A systematic sample does not qualify as a true random sample because _____.

Accepted Answer

the selections are not independent of one another

Question 13

Stratified random sampling is used when you want to ensure that the subgroups within a population are represented

Accepted Answer

True

Question 14

What is a concern with simple random sampling without replacement?

Accepted Answer

It is a method that does not produce independent selections.

Question 15

Convenience sampling offers no guarantee of a representative and unbiased sample, so it should not be used in research.

Accepted Answer

False

Question 16

Simple random sampling is a technique in which each individual in the population has an equal chance of selection

Accepted Answer

True

Questions 16