methods of data collection, process & data analysis

Question 1

data collection

Answer 1

process of prepare & collect data

data: basic input to make any decision

Question 2

purpose of data collection

Answer 2

1) obtain info
2) keep on record
3) make decision about important issue
4) pass info to other

Question 3

classification of data (2)

Answer 3

1) primary data
2) secondary data

Question 4

1) primary data

Answer 4

• collect from the field under control and supervision 监督 of investigator
• original data collected specially for the purpose
• collected for the first time
• useful for current and future studies

eg: own questionnaire

Question 5

2) secondary data

Answer 5

• already been collect by someone else & which already passes through the statistical process
  eg: data from a book

Question 6

collection of primary data (4)

Answer 6

1) observation method
2) interview method
3) through questionnaire
4) through data schedule

Question 7

1.1) observation method

Answer 7

• data from the field is collected with the help of observation by observer / by personally going to field
• through personal observation

Question 8

1.1) steps for an effective observation (5)

Answer 8

1) determine what needs to be observed
2) select participants (random / selected)
3) conduct the observation (venue, duration, record material, take photograph)
4) compile (combine) data collected
5) analyze & interpret data collected

Question 9

types of observation (3)

Answer 9

1) structured & unstructured
struc - characterized by careful definition of the unit to be observed (style of recording the observed info, standardized condition of observation, selection of related data of observation
unstruc - without the above characteristics

2) participant and non-participant
par - when observer is member of the group which he is observe
unpar - observer observe people without give any info to them

3) controlled & uncontrolled
contr - observation take place according to definite pre-arranged plan, experiment procedure is done in laboratory under control condition
uncontr - observation take place in natural condition
- done to get spontaneous picture & persons