researching mental health

Question 1

explain difference between primary and secondary data

Answer 1

primary- data that has been generated by the researcher himself/herself eg experiments and interviews

secondary- data that is collected by someone else previously usually at earlier time.

Question 2

one advantage of collecting primary data

Answer 2

more accurate because guaranteed that the info collected is up-to-date and relevant.

Question 3

why primary data is better than secondary data

Answer 3

primary data is more accurate and reliable because the research task is usually more specifically tailored.
-questions and objectives

Question 4

one disadvantage of colllecting primary daata

Answer 4

high cost/ expensive and time consuming
can be subjective

Question 5

why might psychologist choose secondary rather than primary data

Answer 5

more accessible than primary since already been collected
more affordable

Question 6

definition of longitudinal studies

Answer 6

same subjects are periodically examined to look for any changes that happens overtime

Question 7

two problems associated with longitudinal studies

Answer 7

long length of time to gather data- investigations and projects to be completed may take years

finding correlations and trend tracking

researchers may experienced attrition (dropping out) of the experiment or interview

Question 8

advantage of using a longitudinal study when researching mental health

Answer 8

ability to identify trends+ detect decline and development of characteristics

same and similar illnesses vary in symptoms

track behaviour and emotions over a period of time (holds good reliability)

Question 9

cross-sectional studies with example

Answer 9

measures the outcome and exposures collected from different individuals at a single point. that can be compared at the same time.

eg researching symptoms of schizophrenia at different ages eg 12 18 30

Question 10

Two advantages of using cross-section studies

Answer 10

quick and cheap- easy to conduct and can be done through self-reported surgery and questionnaires

minimal room for error- all variables and data analysed as well as collected at the same time
high level of control and standardisation

Question 11

one disadvantage of cross sectional studies

Answer 11

report bias is probable-