Antonio Swings His Arms While Lying in His Crib

question 193

Multiple Choice

Antonio swings his arms while lying in his crib.One of his arms accidentally hits the mobile hanging above him.This causes the mobile to begin to move.Antonio continues to swing his arms but is unable to strike the mobile again.This is an example of a

• A) habit.
• B) reflex.
• C) primary circular reaction.
• D) secondary circular reaction.

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Definitions:

Research Hypothesis

A specific, testable prediction about the relationship between two or more variables that a researcher aims to investigate.

Purpose

The reason for which something is done or created or for which something exists.

Sampling Error

The difference between a sample statistic used to estimate a population parameter and the actual but unknown value of the parameter.

Generalizability

The extent to which findings from a study can be applied to larger populations or different contexts beyond the original study conditions.