Types of Data

Question 1

What are Primary and Secondary data?

Answer 1

Secondary:
- Collected by someone other than the person doing the research, already exists before research begins
Primary:
- Fist-hand from pps, collected specifically for the purpose of research

Question 2

What are the Evaluation points of Secondary data?

Answer 2

• Inexpensive, easily aquired, minimal effort.
• May be substantial variation in the quality of secondary data, info may be outdated or incomplete. May not quite match the researchers needs May challenge validity of conclusions from said experiments

Question 3

What are the Evaluation points of Primary data?

Answer 3

• Fits the job, authentic obtained from pps themselves for the purpose of said investigation, can be designed in a way that they specifically target the information that the researcher requires.
• Requires time and effort and can be expensive, whereas secondary can be obtained in a matter of minutes

Question 4

What are the Evaluation points of Quantitative data?

Answer 4

• Simple to analyse, comparisons easily drawn, less objective and open to bias
• Narrower in meaning and detail, may fail to represent ‘real life’

Question 5

What are the Evaluation point in Qualitative data?

Answer 5

• Offers richness in detail, gives pps oppurtunity to gove thoughts feeling and opinions
• Greater external validity, insight into pps worldview
• Difficult to anaylse, patterns and comparisons may be hard to identify
• So, conclusions often rely on subjective interpretations of the researcher and these may be subject to bias, particularly is researcher has preconceptions on what they are expecting to find

Question 6

What is the effect size?

Answer 6

• Overall statistical measure of relationship across variables in a meta-analysis