If the first dose of a tetanus toxoid-containing vaccine is administered before the first birthday, 4 doses are necessary before beginning the 10-year cycle of booster doses. If the first dose is administered after the first birthday, 3 doses are necessary.
Teacher-Authored Instructional Unit Samples. The content specialists in the Standards and Instructional Support office have been working with educators across the state to create instructional units based on the published curriculum overview samples.
Opportunity in Carroll's model is determined by the classroom teacher; the specific measure is called allotted or allocated time (i.e., time allocated for learning by classroom teachers.) Perseverance is the student's involvement with academic content during that allocated time.