📚 Research Study

Participate in a Thesis Study:Group Recommender Systems.

This application is a prototype for an academic study on disclosure mechanisms in group-based settings. Experience how MenuMatrix suggests restaurants that match your group's preferences the best.

Friends enjoying a meal together at a restaurant
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Group Match Found!

Everyone agrees

TUM Chair of Connected Mobility

About the Study

This research explores how group recommender systems can help people make collective decisions about dining.

Thesis Research

Part of a master's thesis investigating group recommender systems and collective decision-making.

Group Dynamics

Studying how groups with different preferences can reach consensus on restaurant choices.

Real Experience

Use a working recommender system to help your group find restaurants that satisfy everyone.

Study Process

How It Works

Follow these five simple steps to complete the research study

Sign Up

Sign up to join the study. You will be alerted when group tasks are ready for your participation so make sure you check your email regularly.

~2 minutes

Pre-Study Survey

Rate 20 carefully selected Munich restaurants based on your personal dining preferences. You can also save your progress and return to complete the survey later. After submission, you will be redirected to a waiting room.

~10 minutes

Group Assignment + Study Start

You'll be randomly matched with other participants to form your decision-making group. Once all participants are assigned, the study will begin automatically. This might take some time so feel free to log out. You'll be notified via email when the study starts.

start date not fixed

Disclosure Rounds

Participate in three rounds of group decision-making. In each round, you'll select your restaurant preferences based on certain attributes. The group advances to the next round once all members have submitted their choices for the current round.To keep you updated, email notifications will be sent when it's your turn to make a selection. The duration of this phase is heavily dependent on your group's pace and response time.

variable

Post-Study Survey

Complete a final questionnaire reflecting on your group decision experience. After submission, you will be finished with the study and will have contributed valuable insights to our research. Thank you for your participation!

~5 minutes