week 5: data collection

Question 1

what are the 3 things to appraise in data collection

Answer 1

Recruitment of study participants
Consistency in data collection
Control in the study design

Question 2

what is primary data?

Answer 2

Data collected for a particular study

Question 3

what is secondary data?

Answer 3

Data collected from previous research and
stored in a database

Question 4

List the 3 methods to collect data

Answer 4

Self-reports
Observations
Biophysiologic measures

Question 5

List 3 types of self reports used in data collection

Answer 5

1) Interviews: unstructured VS semi structured
2) Questionnaire: close ended or open ended
3) Scale: Likert scale, visual analog scale, Rating scale

Question 6

what is the difference between unstructured interviews and semi structured interview?

Answer 6

unstructured:
- begins with a broad qns, interviewee has to elaborate on it.

semi structured: researcher has a list of topics under the broad topic, but respondent still has the freedom to talk about anything they want under the topic.

Question 7

List 2 types of observations

Answer 7

unstructured and structured

unstructured:
spontaneous and recorded in words. respondents are not informed

structured:
respondents will be informed beforehand on what will be observed. done via checklist or rating scale.

Question 8

explain biophysiologic measures

Answer 8

such as blood pressure temperature etc.
it is accurate and precise, objective, difficult to tamper with.