Two main types of glass doors are commonly in use today: the metal frame glass door and the ____ glass door.

Which of the following statements about the impact of motorcycle helmet usage is TRUE?

A) Helmet use moderately increases the incidence of cervical spine injury. B) Helmet use moderately decreases the incidence of cervical spine injury. C) Helmet use substantially decreases the incidence of cervical spine injury. D) Helmet use neither increases nor decreases the incidence of cervical spine injury.

This type of research use refers to situations in which research findings, or selected elements of research findings that support existing behavior are utilized to legitimate habit-based practice while other negative findings are ignored:

a. instrumental use b. conceptual use c. symbolic use d. fidelious use