Study context: Chatbot group chat

Participant demographics:
Age Group: 65 - 74
Gender - Selected Choice: Female
Highest level of education completed: High school graduate
Technical work experience: No
Race and ethnicity - Selected Choice: White or Caucasian

Previous experiences:
{"Please select one instant messaging service from the following list that you use frequently (more than twice a week) and have seen chatbots on. If more than one applies, choose the one you use the most. The rest of the survey will be based on your selection here.": "Telegram", "How often do you use the instant messaging service you selected in the previous question?": "2-3 times per week", "How often do you notice chatbots in group chats, including seeing them send messages or actively searching for their existence?": "Once or less than once per week", "Please name 1-2 chatbots you encountered in group chats and describe them in 1-2 sentences.": "A moderated chatbot to facilitate a civilised conversation.", "How often do you interact with chatbots in group chats, including actively tagging/mentioning chatbots in your messages, chatbots replying to your messages, or chatbots reading your messages?": "Once or less than once per week", "What types of group chats have you seen chatbots in? Select all that apply. - Selected Choice": "Work-related groups", "What types of group chats have you seen chatbots in? Select all that apply. - Other (please specify) - Text": null, "What purposes do you use chatbots for in group chats? Select all that apply.": "Business,Productivity", "Have you ever noticed any chatbots in private group chats you have participated in?": "Yes", "How often do you check for the presence of chatbots whenever you join private group chats?": "Rarely", "Regarding private group chats - Please elaborate on your answer to the previous question (how often you check for the presence of chatbots when joining private groups).": "I'm busy with other things so I don't pay attention to these things.", "When do you check for the presence of chatbots in a private group? Select all that apply.": null, "Have you ever noticed any chatbots in public group chats you have participated in?": "Yes", "How often do you check for the presence of chatbots whenever you join public group chats?": "Rarely", "Regarding public group chats - Please elaborate on your answer to the previous question (how often you check for the presence of chatbots when joining public groups).": "I don't usually look for this opportunity.", "When do you check for the presence of chatbots in a public group? Select all that apply.": null}

Privacy attitudes:
To what extent are you familiar with what information chatbots on Telegram can access in group chats?: Not knowledgeable at all
What type of messages do you believe a chatbot on Telegram has access to?: Only messages needed for the normal operation of the chatbot.
Following up on the previous question, what information do you believe is included with the message a chatbot has access to on Telegram? Select all that apply.: The content of the message itself.,The message metadata, such as time sent.,The sender’s username. A user has the same username in different groups.
What type of information do you believe a chatbot on Telegram can access about the group? Select all that apply.: The name of the group.,The list of group members’ usernames.

Questionnaire:
Please rate your level of agreement with the following statements about chatbots in group chats.
Your options are 'Strongly disagree', 'Somewhat disagree', 'Neither agree nor disagree', 'Somewhat agree', and 'Strongly agree'.

Q1. Chatbots from group chats with access to users’ data as listed above would raise my privacy concerns.
Q2. I would be concerned that any personal information I share in the group chat could be collected by the chatbot and be used inappropriately.
Q3. I would stop sharing some sensitive information or talking about controversial topics in group chat because of privacy concerns about chatbots.
Q4. I would still use the chatbot after knowing what information it had access to.
Q5. I think chatbots accessing more information than necessary could cause privacy issues in public group chats.
Q6. I think chatbots accessing more information than necessary could cause privacy issues in private group chats.
Q7. I understand how chatbot providers protect the data collected from group chats.

Responses:
Q1: Strongly disagree
Q2: Strongly disagree
Q3: Strongly disagree
Q4: Strongly agree
Q5: Strongly disagree
Q6: Strongly disagree
Q7: Neither agree nor disagree