Four groups of sixth grade students took the same test in reading.The reliability coefficient will be highest for
A) students with similar intelligence test scores and a similar background in reading.
B) students with similar intelligence test scores but varying in their background in reading.
C) students with varying intelligence test scores, all of whom have a similar background in reading.
D) students with varying intelligence test scores and a varying background in reading.

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The Answer of Four groups of sixth grade students took the same test in reading.The reliability coefficient will be highest for
A) students with similar intelligence test scores and a similar background in reading.
B) students with similar intelligence test scores but varying in their background in reading.
C) students with varying intelligence test scores, all of whom have a similar background in reading.
D) students with varying intelligence test scores and a varying background in reading.

Four Groups of Sixth Grade Students Took the Same Test