meta analysis

Question 1

what is the process of using meta analysis?

Answer 1

it’s a research method that uses secondary data from a large number of studies which involve the same research questions and methods of research.

Question 2

meta analysis can involve qualitative analysis. What does this entail?

Answer 2

discussing findings and conclusions of the qualitative data

Question 3

meta analysis can involve quantative analysis. What does this entail?

Answer 3

statistical analysis of the combined data results to calculate effect size–D of the meta analysis which gives an overall statistical measure of difference or relationship between variables.

Question 4

what is a strength of meta analysis?

Answer 4

-view data with more confidence

-generalise results across larger populations

Question 5

what is a weakness of meta analysis?

Answer 5

-prone to publication bias.

-researcher may not select all the relevant studies.

-incorrect conclusions can be drawn.

-leaving out data with negative results.

therefore data will be bias as it only represents some of the relevant data.

Question 6

what is a case study?

Answer 6

an in depth study over time, of a single individual or small group, undertaken in real life context.

may use variety of methods (questionnaire, interview, obs)

Question 7

what are the advantages of using a case study?

Answer 7

-rich and interesting data, high degree of ecological validity/realism.

-allows study of rare cases, where large samples cant provide such information.

-starting point for further research

Question 8

what are the disadvantages of a case study?

Answer 8

-low reliability, due to findings not being able to be replicated.

-may be subjective as the relationship between interviewer can effect results

-time consuming

-large amounts of data may lead to bias in selection.

-lacks population validity, low participant numbers

less scientific, idiographic nature.