Description
Inclusion Criteria:
- * Possession of the following, ascertained from automatic hardware/software/device pairing check:
- * iPhone with iOS version 13.2 or later used to complete screening eligibility.
- * Optional: Apple Watch (any model) paired with iPhone; an Apple Watch Series 4 or later is required to share environmental sound levels.
- * Age ≥ 18 years at time of eligibility screening, ascertained from self-reported date of birth. Potential subjects in the states of Alabama and Nebraska must be 19 or older (legal age of consent in these states), and 21 and older for any subjects in Puerto Rico.
- * Live in the United States of America at time of eligibility screening, ascertained from self-report.
- * Proficient in written and spoken English, defined by self-report.
Exclusion Criteria:
- • No additional exclusion criteria
Ages Eligible for Study:
18 Years to N/A (ADULT, OLDER_ADULT)
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Yes