What does each icon mean for signing, verifying, or freezing data?

Each sign, verify, or freezing action has an impact on the study data. Learn more about what each icon means.

Table 8-3 Icons for signing, verifying, and freezing a subject's data

Icon	What it means
	This icon appears whenever a principal investigator signed a subject's data. It typically appears on a visit card, next to every question on a form, and a subject's icon.
	This icon appears whenever a site user in the study updates data on a completed form, and the subject's data becomes unsigned. It typically appears on a visit card, next to every updated question on a form, and a subject's icon.
	This icon appears whenever a Clinical Research Associate verifies a question.
	This icon appears on the visit title, whenever a question requires verification.
	For this icon to appear, the SDV Override setting must be turned on. It appears next to questions that have been marked as Critical Variables, for subjects that have not been selected for the SDV pool.
	This icon appears whenever data is frozen on a completed or incomplete form, and the subject's data becomes read-only. It appears next to every question and form associated with a visit.
	This icon appears next to each question that is unfrozen by a data manager on a completed or incomplete form.

Additionally, these icons can appear together if a subject is both signed and verified, or both unsigned and unverified. This also applies to visit cards.

Icon	What it means
	Both of these icons appear next to a subject whenever their data is both signed and verified.
	This icon appears next to a subject whenever their data is unsigned.
	This icon appears next to a subject whenever all of their visits have been frozen.
	Both of these icons appear in a visit card, whenever data in that visit is both signed and verified.
	Both of these icons appear in a visit card, whenever data in that visit unsigned and requires verification.
	This icon appears in a visit card, whenever all forms in that visit are frozen.