evaluating data techniques

Question 1

what are strengths of correlations?

Answer 1

• good at establishing linear relations

- good at establishing relations between 2 variables

Question 2

what are some weaknesses of correlations?

Answer 2

• not good for non-linear relations

- difficult to establish cause and effect

Question 3

what are some strengths of meta-analysis?

Answer 3

• a quick way to collect substantial evidence
• easier to analyse
• large data source means conclusions are more valid

Question 4

what are some weaknesses of meta-analysis?

Answer 4

• less reliable because they could be concluded in different ways
• you are not there in person to check the process
• subject to cross-cultural variations
• risk of bogus research