General

• "How many times have you gone on vacation in the past 2 years? Please also include short vacations (e.g. weekend trips)."
• "Which of the following statements regarding traveling apply to you?"
• "Which kinds of vacation trips have you been on in the past 2 years?"
• "Which of the following kinds of vacations would you consider for your next vacation trips?"
• "Which kinds of means of transport have you used to get to your travel destination in the past 2 years?"
• "With whom do you usually spend your vacation together?"
• How many days a year do you normally spend traveling abroad? / Days spent for traveling abroad
• How many days a year do you normally spend on domestic travel? / Days spent for domestic travel'
• How many times a year do you normally go on short vacations (2 or 3 overnight stays)? / Number of short vacations'
• How many times a year do you normally go on vacation (4 or more overnight stays)? / Number of long vacations'
• "In which months do you usually travel?"
• "How do you usually book your vacation trips?"
• "How many times in the past 2 years have you traveled by plane for private reasons? Please count outward and return journey as one flight."
• "How many times in the past 2 years have you traveled by plane for business purposes? Please count outward and return journey as one flight."
• "How many of your flights in the past 2 years have been long-distance flights, i.e., longer than 4 hours? Please count outward and return journeys as one flight."

• "How many times in the past 2 years have you been to a travel agency for information regarding a vacation trip?" / Travel agency visits by frequency
• "How many times in the past 2 years have you booked a vacation trip with a travel agency?" / Travel agency bookings by frequency
• "Why do you go to a travel agency to plan/book your vacation?"
• "Why haven't you booked your vacation trip with a travel agency in the past 2 years?"
• "According to which criteria do you choose a tour operator?"
• "Which specialist providers / travel agencies do you know, even if only by name?"
• "With which specialist provider / travel agency have you made bookings in the past 2 years?"

• "Which kinds of accommodations have you booked in the past 2 years?"
• "Which of the following aspects are important to you when choosing accommodations?"

• "From which airport have you departed in the past 2 years?"
• "From which airport do you usually depart?"
• "In your opinion, which of these airports has the best image?"
• "Which factors influence the time you arrive at the airport?"
• "Which aspects of an airport are particularly important to you?"
• "How do you rate your most frequently visited airport with regard to the following aspects? / public transport connection"
• "How do you rate your most frequently visited airport with regard to the following aspects? / food and drink options"
• "How do you rate your most frequently visited airport with regard to the following aspects? / parking facilities"
• "How do you rate your most frequently visited airport with regard to the following aspects? / personal contacts for everyday questions"
• "How do you rate your most frequently visited airport with regard to the following aspects? / rest areas"
• "How do you rate your most frequently visited airport with regard to the following aspects? / cleanliness"
• "How do you rate your most frequently visited airport with regard to the following aspects? / quick baggage reclaim"
• "How do you rate your most frequently visited airport with regard to the following aspects? / quick and straightforward security controls"
• "How do you rate your most frequently visited airport with regard to the following aspects? / shopping options"
• "How do you rate your most frequently visited airport with regard to the following aspects? / shuttle service"
• "How do you rate your most frequently visited airport with regard to the following aspects? / safety"
• "How do you rate your most frequently visited airport with regard to the following aspects? / easy baggage drop-off"
• "How do you rate your most frequently visited airport with regard to the following aspects? / free Wi-Fi"
• "How do you rate your most frequently visited airport with regard to the following aspects? / easy to find your way"
• "Top-2 (very good, rather good): [ ... ] How would you rate your most frequently visited airport with regard to the following aspects?"
• "How often have you bought goods in a duty-free shop over the past 2 years?" / Duty free shopping by frequency
• "What goods have you bought in duty-free shops over the past 2 years?"
• "Why do you shop in the duty-free area of an airport?"
• "Think about your last 5 visits to airports – how often did you have a drink or something to eat?" / Food/beverage consumption at airports
• "What did you eat/drink at the airport?"

• "Have you bought any goods aboard a flight in the past 2 years?"
• "How often do you shop aboard a flight?"
• "What have you bought aboard a flight over the past 2 years?"
• "Why do you shop on board of a flight?"

• "Why have you been at a train station in the past 2 years?"
• "How often have you been at a train station in the past 2 years, regardless of whether you have taken a train or not?"
• "Please think about the vacation trips you have been on in the past 2 years. For how many journeys did you take the train (e.g. for at least part of the journey there and/or back)? Please differentiate between long-distance and short-distance (regional) trains." / Train journeys for vacation reasons by frequency
• "Please think about the vacation trips you have been on in the past 2 years. For how many journeys did you take the train (e.g. for at least part of the journey there and/or back)? Please differentiate between long-distance and short-distance (regional) trains." / Long-distance train journeys for vacation reasons by frequency
• "Please think about the vacation trips you have been on in the past 2 years. For how many journeys did you take the train (e.g. for at least part of the journey there and/or back)? Please differentiate between long-distance and short-distance (regional) trains." / Short-distance train journeys for vacation reasons by frequency
• "Please think about your visits to train stations over the past 2 years now, excluding vacation or commuting purposes. On how many of your visits did you take the train? Please differentiate between long-distance and short-distance (regional) trains." / Train journeys by frequency
• "Please think about your visits to train stations over the past 2 years now, excluding vacation or commuting purposes. On how many of your visits did you take the train? Please differentiate between long-distance and short-distance (regional) trains." / Long-distance train journeys by frequency
• "Please think about your visits to train stations over the past 2 years now, excluding vacation or commuting purposes. On how many of your visits did you take the train? Please differentiate between long-distance and short-distance (regional) trains." / Short-distance (regional) train journeys by frequency
• "Which train stations have you been to in the past 2 years?"
• "Which train station have you visited most often in the past 2 years?"
• "In your opinion, which train station has the best image?"
• "Which of the following factors influence how many minutes before a train's departure you arrive at the train station?"
• "What do you find particularly important in a train station?"
• How do you view the following aspects of your most frequently visited train station / connection to other public transportation (e.g. subway)'
• How do you view the following aspects of your most frequently visited train station / barrier-free access'
• How do you view the following aspects of your most frequently visited train station / stores open 24/7, e.g. supermarket'
• How do you view the following aspects of your most frequently visited train station / food and drink options'
• How do you view the following aspects of your most frequently visited train station / parking facilities'
• How do you view the following aspects of your most frequently visited train station / personal contacts for everyday questions'
• How do you view the following aspects of your most frequently visited train station / rest areas'
• How do you view the following aspects of your most frequently visited train station / cleanliness'
• How do you view the following aspects of your most frequently visited train station / shopping options'
• How do you view the following aspects of your most frequently visited train station / shuttle service'
• How do you view the following aspects of your most frequently visited train station / safety'
• How do you view the following aspects of your most frequently visited train station / free Wi-Fi'
• How do you view the following aspects of your most frequently visited train station / easy to find your way'
• Top-2 (very good, rather good): [ ... ] How do you view the following aspects of your most frequently visited train station?'
• "What have you bought at train stations in the past 2 years?"
• "Why do you make purchases at train stations?"
• "Think about your last 5 visits to train stations – how often did you have a drink or something to eat? / Food/beverage consumption at train stations"
• "What did you eat/drink at the train station?"

• "Which travel insurances do you consider useful?"
• Do you usually take out the following travel insurances? / cancellation insurance'
• Do you usually take out the following travel insurances? / travel health insurance'
• Do you usually take out the following travel insurances? / travel liability insurance'
• Do you usually take out the following travel insurances? / repatriation insurance'
• Do you usually take out the following travel insurances? / trip interruption insurance'
• Do you usually take out the following travel insurances? / baggage insurance'
• Top-2 (yes, always & yes, sometimes): [ ... insurance] Do you usually take out the following travel insurances?'
• "Where do you usually find information about travel insurances?"
• "For which of the following vacation trips have you taken out additional travel insurances in the past 2 years?"
• "Which travel insurance providers do you know, even if only by name?"
• "Which travel insurance providers would be an option for you?"
• "Which providers have you taken out a travel insurance from in the past 2 years?"

• "Which travel destinations have you visited over the past 5 years?"
• "Which of these countries in Africa have you visited in the past 5 years?"
• "Which of these countries in Asia have you visited in the past 5 years?"
• "Which of these countries in Australia and Oceania have you visited in the past 5 years?"
• "Which of these countries in Europe have you visited in the past 5 years?"
• "Which of these countries in Central and/or South America have you visited in the past 5 years?"
• "Which of these countries in North America have you visited in the past 5 years?"
• "Which states/regions in your country have you visited in the past 5 years?"
• "Which of the following destinations would you like to visit in the next 2 years?"

• "Have you gone on a cruise in the past 2 years?"
• "Which of the following statements about cruises do you agree with?"
• "Which type of cruise do you find particularly interesting?"
• "Which type of cruise have you already been on?"
• "Which cruise destinations do you find particularly interesting?"
• "Which of the following cruise operators do you know, even if only by name?"
• "Which of the following cruise operators have you used in the past 2 years?"
• "Which of the following cruise operators would be an option for you for future trips?"

• "For what reasons do you go on domestic vacations?"
• "For what reasons do you go on vacation abroad?"
• "Which sporting activities do you at least occasionally engage in on vacation?"
• "Which activities do you at least occasionally engage in on vacation?"
• "According to which criteria do you usually choose your travel destinations?"
• "Which of the following points bother you the most on vacation?"

• "Where do you find inspiration for travel destinations?"
• "Where do you collect specific information for your vacation planning?"
• "When do you usually decide on the destination of your domestic vacation?"
• "When do you usually decide on how you will get to your domestic destination? (e.g. by car, train, plane)"
• "When do you usually decide on the accommodation for your domestic vacation?"
• "When do you usually decide on the destination of your vacation abroad?"
• "When do you usually decide on how you will get to your travel destination abroad? (e.g. by car, train, plane)"
• "When do you usually decide on the accommodation for your vacation abroad?"
• "When do you book additional travel services such as guided tours, cultural offers, or wellness treatments?"
• "Where do you book additional travel services such as guided tours, cultural offers, or wellness treatments?"

• Which of the following have you booked over the past 2 years? / flight'
• Which of the following have you booked over the past 2 years? / accommodation'
• Which of the following have you booked over the past 2 years? / package tour'
• Which of the following have you booked over the past 2 years? / last-minute trips'
• Which of the following have you booked over the past 2 years? / cruise'
• Which of the following have you booked over the past 2 years? / train journey'
• Which of the following have you booked over the past 2 years? / rental car'
• "Why do you prefer booking vacation trips and tourist offers online?"
• "What do you use your smartphone for on trips?"

• "Which of the following airlines have you flown with in the past 2 years?"
• "Which of the following airlines do you perceive as having a positive image?"
• "On which additional services have you spent money on a flight in the past 2 years?"

• "Which worries do you have before a vacation?"
• "Has the threat of terrorist attacks had an impact on your behavior when traveling in the past 2 years?"
• "What exactly about your behavior has changed because of the threat of terrorist attacks?"
• "Which destinations worry you because of the political situation and/or the threat of terrorism?"
• "Which countries would you not visit because of the risk this might entail?"

• "Which of the following aspects of a sustainable vacation are important to you?"
• "Which providers of sustainable travel do you know at least by name?"
• "How likely is it that you will book your vacation with a provider of sustainable travel in the future?"

• "Where did you go for your last vacation?"
• "Which of these countries in Africa did you visit on your last vacation?"
• "Which of these countries in Asia did you visit on your last vacation?"
• "Which of these countries in Australia and Oceania did you visit on your last vacation?"
• "Which of these countries in Europe did you visit on your last vacation?"
• "Which of these countries in Central and/or South America did you visit on your last vacation?"
• "Which of these countries in North America did you visit on your last vacation?
• "Which states/regions in your country have you visited on your last travel?"
• "What type of vacation was your last one?"
• "With whom did you last go on vacation?"
• "How long was your last vacation?" / Days spent on last travel

• How satisfied were you with your last vacation regarding the following aspects: / vacation experience in general'
• How satisfied were you with your last vacation regarding the following aspects: / food and drinks / service'
• How satisfied were you with your last vacation regarding the following aspects: / infrastructure'
• How satisfied were you with your last vacation regarding the following aspects: / safety'
• Top-2 (very satisfied, rather satisfied): [ ... ] How satisfied were you with your last vacation regarding the following aspects'

• "How high was the average expenditure per person for your last vacation? Please count all costs, including those of the trip there and back. If you don't know exactly, please make an estimate. / Spending on most recent travel"
• "What are you willing to spend more money on or pay a premium for on vacation?"
• "How much are you approximately budgeting for you and, where applicable, your family for vacations in the next 12 months? Please make an estimate."

• age (detailed)'
• age'
• age, categorial'
• Are you male or female?'
• Now we have some questions about you. Please answer the following questions thoroughly and honestly.
  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 permanently live in your household, including yourself? Please also include all children.'
• 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?'
• In what type of community do you live?'
• Where do you currently live?'
• If you add up everything: About how high is the annual gross income that your total household disposes of, before tax and contributions?'