Research shows that teacher effectiveness is the single most important school-based factor in student success. Students who have highly effective teachers for three years in a row will score 50 percentile points higher on achievement tests than students who have less effective teachers three years in a row (Sanders & Rivers, 1996).
A cuticle /ËkjuËtÉªkÉl/ , or cuticula, is a term used for any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection. Various types of cuticle are non-homologous, differing in their origin, structure, function, and chemical composition.
1 The nail plate is the part of the nail that you can see. 2  The skin around your nails is referred to as nail folds. 3  The skin that is covered by your nail is known as a nail bed.  A cuticle is the tissue that covers the bottom of your nail to protect newly formed keratin as your nail grows.