General

• How often do you drive a car?
• Do you have a car available at all times in your household?
• Are you planning on buying a car in the next 12 months – new or used?
• How important is your car to you in everyday life compared to other means of transportation?
• How often do you use the car for the following activities? / commute to work
• How often do you use the car for the following activities? / shopping
• How often do you use the car for the following activities? / take/pick up persons
• How often do you use the car for the following activities? / vacation trips
• How often do you use the car for the following activities? / business travel
• How often do you use the car for the following activities? / to visit friends
• How often do you use the car for the following activities?
• What car do you primarily drive?
• Please specify the model of your primarily used car: / brand:
• Who/what influenced your decision when you bought your car?
• Who/what is probably going to influence your decision in a future car purchase?
• How old was your car when you bought/got it?
• Which of the following currently available assistance functions are relevant to you? / electronic stability program (ESP)
• Which of the following currently available assistance functions are relevant to you? / adaptive cruise control (ACC)
• Which of the following currently available assistance functions are relevant to you? / emergency brake assistant with person recognition
• Which of the following currently available assistance functions are relevant to you? / accident detection / occupant safety
• Which of the following currently available assistance functions are relevant to you? / lane keeping assist
• Which of the following currently available assistance functions are relevant to you? / lane change assist / blind spot assist
• Which of the following currently available assistance functions are relevant to you? / fatigue detection
• Which of the following currently available assistance functions are relevant to you? / adaptive highbeam assist (gliding range)
• Which of the following currently available assistance functions are relevant to you? / night vision system
• Which of the following currently available assistance functions are relevant to you? / parking assistant
• Which of the following currently available assistance functions are relevant to you? / speed limit assist
• Which of the following currently available assistance functions are relevant to you?
• Which of the following currently available assistance functions are relevant to you?
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation
• In the following, you will find a classification including different stages of autonomy in cars, i.e. different actions that the car can perform for you. How do you feel when you think about the following systems? I consider the widespread implementation...

Drives

• What kind of drive does your primarily used car have?
• Who/what influenced your decision for this drive?
• What drive will you probably decide on in a future car purchase?
• How sustainable do you consider the following drive types? / gasoline
• How sustainable do you consider the following drive types? / diesel
• How sustainable do you consider the following drive types? / gas (LPG, natural gas)
• How sustainable do you consider the following drive types? / hybrid
• How sustainable do you consider the following drive types? / plug-in hybrid
• How sustainable do you consider the following drive types? / electric drive
• How sustainable do you consider the following drive types? / fuel cell (hydrogen)
• Top-2( very sustainable, rather sustainable ): [ ... ] How sustainable do you consider the following drive types?
• How economical do you consider the following drive types? / gasoline
• How economical do you consider the following drive types? / diesel
• How economical do you consider the following drive types? / gas (LPG, natural gas)
• How economical do you consider the following drive types? / hybrid
• How economical do you consider the following drive types? / plug-in hybrid
• How economical do you consider the following drive types? / electric drive
• How economical do you consider the following drive types? / fuel cell (hydrogen)
• Top-2( very economical, rather economical ): [ ... ] How economical do you consider the following drive types?
• How suitable for day-to-day use do you consider the following drive types? / gasoline
• How suitable for day-to-day use do you consider the following drive types? / diesel
• How suitable for day-to-day use do you consider the following drive types? / gas (LPG, natural gas)
• How suitable for day-to-day use do you consider the following drive types? / hybrid
• How suitable for day-to-day use do you consider the following drive types? / plug-in hybrid
• How suitable for day-to-day use do you consider the following drive types? / electric drive
• How suitable for day-to-day use do you consider the following drive types? / fuel cell (hydrogen)
• Top-2(very suitable for day-to-day use, rather suitable for day-to-day use ): [ ... ] How suitable for day-to-day use do you consider the following drive types?
• How environmentally friendly do you consider the following drive types? / gasoline
• How environmentally friendly do you consider the following drive types? / diesel
• How environmentally friendly do you consider the following drive types? / gas (LPG, natural gas)
• How environmentally friendly do you consider the following drive types? / hybrid
• How environmentally friendly do you consider the following drive types? / plug-in hybrid
• How environmentally friendly do you consider the following drive types? / electric drive
• How environmentally friendly do you consider the following drive types? / fuel cell (hydrogen)
• Top-2(very environmentally friendly, rather environmentally friendly): [ ... ] How environmentally friendly do you consider the following drive types?
• How sporty do you consider driving with the following drive types? / gasoline
• How sporty do you consider driving with the following drive types? / diesel
• How sporty do you consider driving with the following drive types? / gas (LPG, natural gas)
• How sporty do you consider driving with the following drive types? / hybrid
• How sporty do you consider driving with the following drive types? / plug-in hybrid
• How sporty do you consider driving with the following drive types? / electric drive
• How sporty do you consider driving with the following drive types? / fuel cell (hydrogen)
• How sporty do you consider driving with the following drive types?
• Which of these alternative drive types have you informed yourself about at some point?
• How interested are you in alternative drive types like e.g. electromobility?
• How well are you informed about electromobility?
• Which of the following statements about diesel cars do you agree with?
• Governments are discussing a ban on diesel cars. What is your general opinion on this? The scale and reach of the ban will be determined by the individual cities and communities.
• Do you actively follow the political discussion about the diesel ban?

Public Transport

• In your opinion, what are currently the main benefits of buying an electric car?
• In your opinion, what are currently the main disadvantages of buying an electric car?
• Do you consider the amount of state subsidies on electric vehicles appropriate? The level of funding depends on the specific model and ranges between US$2.500 and US$7.500.
• Which brands do you consider especially innovative in the field of alternative drive types?
• Which of the following brands do you associate with electromobility in particular?
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / public transportation (e.g. bus, tram)
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / car sharing (e.g. car2go)
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / rental car (e.g. Enterprise Rent-a-car)
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / classic taxis
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / ridesharing (z.B. Uber)
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)? / bike/walking
• Which of these alternatives to a private car do you use in local transport (i.e. for shorter distances within your community)?
• How well developed is public transportation in your area? Please think about time intervals and connections in the network. Do not consider prices at this point.
• Under which circumstances would you not take your private car for local urban journeys?
• Which of the following statements about mobility do you agree with?
• Many cities are planning on switching to less polluting drive types in public transportation. Which arguments do you personally think speak in favor of the switch to less polluting drives?
• Which arguments do you personally think speak against the switch to less polluting drives?
• How do you generally see the switch of public transport to less polluting drives?
• Which of these alternatives to a private car do you use in long-distance transport? For long-distance journeys I use the following means of transportation... / trains
• Which of these alternatives to a private car do you use in long-distance transport? For long-distance journeys I use the following means of transportation... / airplanes
• Which of these alternatives to a private car do you use in long-distance transport? For long-distance journeys I use the following means of transportation... / busses
• Which of these alternatives to a private car do you use in long-distance transport? For long-distance journeys I use the following means of transportation... / rental car
• Which of these alternatives to a private car do you use in long-distance transport? For long-distance journeys I use the following means of transportation…

Carsharing

• How often do you use car sharing?
• Do you rather use car sharing spontaneously or do you plan your journeys with a car sharing vehicle ahead of time?
• Why did you register for car sharing?
• How would you rate the cost-effectiveness of car sharing?
• Which of the following things have you already done with a car sharing vehicle?
• Which car sharing providers do you know?
• Which of the following providers are you registered with?

Attitudes

• Which of the following statements do you agree with?
• For what reasons do you want to own a car?
• In what situations do you not want to do without a car?
• Which factors cause stress to you while driving?
• How often do you feel stressed while driving?
• Which of the following measures have you already taken to make your driving as eco-friendly as possible?
• Which of the following statements regarding personal social commitment do you agree with?

Demographics

• What is your gender?
• Age
• What is your primary language?
• Which race / ethnicity best describes you?
• What is the highest level of education you have completed?
• What is your marital status?
• Which of the following categories best describes your current employment status?
• How many people – including yourself and all children – permanently live in your household?
• How many children and teenagers below 14 years of age permanently live in your household, no matter if they are your natural children or not?
• How big is the town you live in?
• Where do you currently live?
• How much total combined money do all members of your household earn annually? This includes money from jobs net income from business, farm, or rent pensions dividends interest social security payments and any other money income received by members of your household.