If the Null Hypothesis That Two Means Are Equal Is

question 46

Multiple Choice

If the null hypothesis that two means are equal is true,where will 97% of the computed z-values lie between?

• A)±2.58
• B)±2.33
• C)±2.17
• D)±2.07

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Definitions:

Equilibration

In Piaget's theory, the cognitive process of achieving balance between one's existing mental schemas and new experiences.

Secondary Circular Reactions

Repetitive actions oriented around external objects, typically observed in infants from 4 to 8 months as part of Piaget's sensorimotor stage.

Sensorimotor Thought

describes the stage in early childhood cognitive development where thinking is based primarily on physical actions and sensory experiences.

Tertiary Circular Reactions

Advanced exploratory behaviors observed in infants around 12 to 18 months, involving experimentation to explore the properties of objects and the outcomes of actions.