open questions
answer in as much detail in own words
closed questions
choose from only a set of pre determined answers
force/fixed questions
limited range of answers YES/NO
Likert Scale
level of agreement SD D N A SA
Semantic differential
rate on a scale using OPPOSITE WORDS
Rating scale
rate based on scale 1-10 ( DEFINED)
2 Strengths of Open
rich detail honesty + depth
2 Weaknesses of Open
hard to analyse could be irrelevant
Strengths of Force/Fixed
easy to analyse + compare
2 Strengths of Likert scale
more understanding easy to compare and more valid
2 Weaknesses of Force/Fixed
honesty low quality less valid
2 Weaknesses of Likert
lacks detail Central Tendency Bias - answers to not seem too extreme
2 Strength of Semantic Differential
shows extent analyse objectively
2 Weaknesses of Semantic Differential
subjective misinterpret ratings CTB
2 Strength of Rating Scale
more insight comparisons
2 Weaknesses of Rating Scale
1-10 is subjective CTB
General + Questionares
cheap and easy less time consuming anoynomous = honest = valid
General - Questionares
social desirabilty issues hard to get clarifiction = low valid poorly designed = low response rate