About

This concept of relationship closeness was inspired by The Big Bang Theory, Season 8 Episode 3.

The questions and scoring pattern are based on the Relationship Closeness Inventory (RCI) developed as part of the Carnegie Mellon Common Cold Project.

Use of Data

If data is provided by participants, it will be used strictly for research and analysis purposes. The usage of data is not restricted to internal evaluation and may be applied for broader research insights. No data will be used for marketing or advertising purposes.

Copyright Notice

The contents, including question formats, coding relations, and scoring methods are copyrighted. They should not be reproduced, distributed, or used in the same format without prior written permission.

Acknowledgement

We gratefully acknowledge the original authors of the RCI and the Carnegie Mellon University research team whose work inspired this adaptation.