How Much Must Two Means Differ Before We Can Consider

question 31

Multiple Choice

How much must two means differ before we can consider the difference "real" and not due to chance? To answer this question,we must use

• A) coefficients of correlation.
• B) tests of statistical significance.
• C) graphical statistics.
• D) random selection.

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Definitions:

Naturalistic Observation

A method of scientific observation in which children (and others) are observed in their natural environments.

Alter The Environment

The process of changing or modifying the surroundings or conditions in which one lives or operates to achieve a certain outcome.

Growth

The processes by which organisms increase in size, weight, strength, and other traits as they develop.

Development

The complex process of growth and change that occurs throughout a human's life, encompassing physical, cognitive, and socio-emotional development.