da Jessica Webster-Craig mancano 16 anni
289
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Davis, 2005
resources
objectivity
expertise
confidentiality
time and cost contraints
data needs
Cons ~ long programming time and respondants may be reluctant to open (may contain virus)
Pros ~ it's a sophisticated survey
Cons ~ long programming and setup time
Pros ~ very flexible, can include graphics and sound, build skip logic into the questionnaire, and can randomize answers
Cons ~ too simple
Pros ~ easy to reach a large number of participants
low in cost
timely
interactive
easy to administer
personal
telephoning
mailing
written interogation sent by mail
computerized interviewing
low response rates
respondant anonymity, confidentiality, convenience to the respondant
low cost
Cons:
call screening
technology trends
not everyone have telephones
Pros:
quick
cost effective
best used for structured and undesguised studies
person to person
planning the interview
motivation
expertise of the interviewer
trust/ goodwill
access
cheating
monitoring
response errors
respondent error
method od administration
question structure and sequence
interview variability
nonresponse errors
when a participant can't be reached
primary data is data being researched from original sources for a specific purpose.