Attention and Interpretation Modification (AIM) for Fear of Cancer Recurrence: An Intervention Development Study

"Phase 1 (complete) - dev of AIM materials targeting fear of cancer recurrence in BCS (n = 10).~Phase 2 (complete) - randomized, single-blind, placebo-controlled, proof-of-concept pilot trial.~Phase 3:~* Part 1 of Phase 3 (complete) - dev of of iThrive app for BCS~* Part 2 of Phase 3 (complete) - usability testing by observing navigation with BCS in a laboratory setting~* Part 3 of Phase 3 - acceptability of iThrive will be assessed through a small RCT (n=30)~Phase 4:~* Part 1 of Phase 4 (complete) - dev of iThrive app for RCS~* Part 2 of Phase 4 (complete) - usability testing completed by observing navigation with RCS remotely~* Part 3 of Phase 4 - acceptability of iThrive will be assessed through a small RCT (n=90)~For Phases 3 and 4, Part 3: We will work with participants to ensure that sessions are completed over \< 12 weeks if unavoidable delays occur. A follow-up session will be scheduled 3 months after completion of the last session."