When a Teacher Gives a Test to Students on One

question 45

Multiple Choice

When a teacher gives a test to students on one occasion,repeats the exam on the same students at a later date,and then correlates the scores,the teacher is demonstrating interest in determining which of the following?

• A)split-half reliability
• B)face validity
• C)construct validity
• D)test-retest reliability

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Definitions:

Hardy-Weinberg Principle

A principle stating that allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences.

Equation

A mathematical statement that asserts the equality of two expressions.

Genetic Equilibrium

A state in which the frequency of alleles in a population remains constant over time, assuming no evolutionary forces are at work.

Allele Frequency

The relative frequency of an allele (variant of a gene) at a particular gene locus in a population, expressed as a fraction or percentage.