Educational Practices Whose Effectiveness Has Been Determined Through Rigorous Scientific

question 5

Multiple Choice

Educational practices whose effectiveness has been determined through rigorous scientific investigations include:

• A) reduced class sizes in grades K to 3.
• B) one-on-one tutoring for at-risk readers in grades 1 to 3
• C) instruction in phonics for early readers
• D) All of these are true.

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Definitions:

Celiac Trunk

A major artery in the abdominal cavity that supplies blood to the stomach, spleen, liver, and other organs.

Thoracic Aorta

A section of the aorta, the major artery in the body, passing through the thoracic cavity and supplying oxygenated blood to the thoracic and upper abdominal organs.

Superior Mesenteric Vein

A large vein that drains blood from the small intestine, ascending colon, and part of the transverse colon into the portal vein.

Gastrosplenic Vein

A blood vessel that drains blood from the stomach and spleen into the hepatic portal vein.