A New Math Program May Reduce the Number of Elementary

question 55

Essay

A new math program may reduce the number of elementary students who perform below their grade level.The company that developed this program supplied materials and teacher training to 3000 children and 400 teachers.Statistical analysis of the results showed that the percentage of students who did not attain the grade level standard was reduced from 24.3% to 18.5%.The hypothesis that the new reading program did not produce improvement was rejected with a P-value of 0.047.

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Definitions:

Tautology

A statement that is true by necessity or by virtue of its logical form, often repeating the same idea or statement using different words.

Conjunct

An element of a conjunction, which is a compound statement formed by combining two or more statements with the connective "and."

Conjunction

In logic, a compound statement formed by combining two statements with the word "and," requiring both to be true.

Tautology

A statement that is true by necessity or by its logical form, independent of the truth values of its components.