Explain Why Mortality, Maturation, and History Effects Threaten a Researcher's

question 14

Essay

Explain why mortality, maturation, and history effects threaten a researcher's ability to demonstrate a causal relationship. Why are they more common in longer experiments?

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Definitions:

Fractions

Represents parts of a whole or a collection, expressed with different numbers on the top (numerator) and bottom (denominator) of a slash or line.

Whole Numbers

Non-negative integers, including zero, without any fractional or decimal parts.

Fractions

A mathematical expression representing the division of one quantity by another, typically written with a numerator above a denominator.

Lowest Terms

A fraction reduced to the lowest possible terms while retaining its original value.