The Symbol Refers To

question 35

Multiple Choice

The symbol refers to:

• A) the mean difference in the pairs of observations taken from two dependent samples.
• B) the mean difference in the pairs of observations taken from two independent samples.
• C) the difference in the means of two dependent samples.
• D) the difference in the means of two independent samples.

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Definitions:

Schemes

Plans of action, based on previous experiences, to be used in similar circumstances.

Object Permanence

The realization that objects continue to exist, even when they can no longer be perceived.

Piaget

Swiss psychologist Jean Piaget, known for his theory of cognitive development that describes how children construct a mental model of the world.

Conservation

The concept that a given quantity of matter remains the same despite being rearranged or changed in appearance, as long as nothing is added or taken away.