Week 2 Literature Review

Question 1

What is a review?

Answer 1

Overview & critical analysis of current knowledge & evidence on a specific topic

Question 2

What is a secondary research?

Answer 2

Second hand existing data

Question 3

Types of secondary research

Answer 3

Published studies, government records, textbooks

Question 4

Purpose of a review?

Answer 4

Give an overview of what is known
Highlight significance of topic
Justify the need for our research
Support or help to explain your research findings

Question 5

What is the gold standard of establishing evidence and test cause & effect relationship?

Answer 5

Randomised Control Trials

Question 6

What is the ranking of level of evidence? (descending order)

Answer 6

1. Umbrella reviews
2. Meta-analyses
3. Systematic reviews
4. RCTs
5. Quasi experimental
6. Cohort studies
7. Cross sectional
8. Case control
9. Case

Question 7

Steps to perform systematic review

Answer 7

1. Find a good topic
2. Formulate clear & well defined RQ
3. Develop systematic review protocol
4. Conduct systematic search strategy
5. TiAb & full text screening using eligibility criteria
6. Methodological appraisal
7. Data extraction & organisation
8. Data analysis
9. Evidence quality appraisal
10. Write: integrate, synthesise & summarise

Question 8

What is the purpose of eligibility criteria & select studies?

Answer 8

To select relevant & useful studies to answer your research question

Question 9

What is umbrella review?

Answer 9

Systematic review of systematic reviews

Question 10

What is meta analysis?

Answer 10

Quantitative way of aggregating numbers

Question 11

What is the purpose of a methodological/critical appraisal?

Answer 11

To assess trustworthiness of each article’s findings based on study design, methods etc