Research methods

Question 1

What is systematic sampling?

Answer 1

Selecting every nth person from a list of all the people in the target population.

Question 2

What are advantages and disadvantages of systematic sampling?

Answer 2

Advantage - avoids researcher bias. Researcher has no say over who is selected.

Disadvantage - may still be biased. Sample may consist of one particular group of people. Decreases representativeness.

Question 3

Correlations

Answer 3

Positive - dots go up
Negative - dots go down
Zero - dots are random