Random Error Is

question 153

Multiple Choice

Random error is:

• A) the extent to which a measure will produce the same results each time it is used.
• B) unsystematic influence on the true score.
• C) an outside influence that affects the true score in a consistent way.
• D) the extent to which a research method measures what it is intended to measure.

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Definitions:

Cleavage

The process by which a single cell divides into two or more daughter cells, often referred to in cellular biology and embryology.

Yolk Sac

The sac that holds the materials for the nutrition of the embryo.

Mesoderm

The middle layer of an embryo in early development, which will eventually give rise to the muscles, bones, and circulatory system.

Umbilical Cord

The rope-like connection between the fetus and the placenta. It contains the umbilical blood vessels.