Look at the Reliability Reported for Age 7

question 51

Essay

Look at the reliability reported for age 7. Using fall statistics, compare the reliability coefficient obtained on the Numeration subtest with the reliability coefficient obtained on the Estimation subtest. On which subtest did seven-year-olds perform with more consistency?

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Definitions:

Unconformity

A surface of contact between two groups of unconformable strata, indicating a period of erosion or non-deposition between successive strata.

Water Table

The level below the Earth's surface where the ground is completely saturated with water, forming the upper surface of the groundwater.

Ground Water

Underground water stored in soil or within rock pores and cracks.

Hydraulic Gradient

The slope of the water table or potentiometric surface, indicating the direction and rate of groundwater flow.