How Are Informal Assessments Different from Formal Assessments

Multiple Choice

How are informal assessments different from formal assessments?

A) Informal assessments are less systematic than formal assessments.
B) Informal assessments are only formative while formal assessments can be diagnostic or summative.
C) Informal assessments are measureable and formal assessments are based on anecdotal evidence.
D) Informal assessments cannot be part of a student's grade whereas formal assessment can be.