Items:

Instructions: Participants are instructed to answer each question in regard to their current romantic relationship.

1. My partner sent messages from my Facebook profile without my permission
2. My partner wrote something negative about me on social media such as Facebook or Twitter when he was angry.
3. My partner sent angry or insulting text messages to me.
4. My partner forwarded embarrassing online or text messages or pictures about me.
5. My partner changed my password so I couldn’t access my (or our) accounts, such as bank or credit card accounts.
6. My partner checked or read my emails or texts without my permission.
7. My partner monitored my profile or used phone applications as a way to keep tabs on me.
8. My partner sent me frequent emails or texts when he knew I didn’t want them.
9. My partner checked up on my location by getting me to send cell phone pictures of where I was.

Response options: A 6-point Likert scale ranging from 0 (“never”) to 5 (“five or more times”).