questionnaires
general questionnaire strengths
general questionnaire weaknesses
structured questionnaires strengths
structured questionnaires weakness
-T) low validity, fixed responses
unstructured questionnaire strengths
-T) high validity & qualitative
unstructured questionnaire weakness
longitudinal study strength
-T) can pick up trends> snapshot
longitudinal study weakness
interviews
-structured: i schedule & quant
-unstructured: guided convo & qual
-focus groups, panel interviews
-eg : SI, Humphreys, CSEW
UI, D&D, Jackson
unstructured interviews strengths
unstructured interviews weakness
structured interviews strengths
structured interviews weakness
observation
general observation strengths
general observation weakness
covert participation strengths
covert participation weakness
overt non-participant strength
overt non-particpant weakness
-T) hawthorne effect
experiments
field experiments strengths
field experiment weakness