Piaget Argued That Object Permanence Is Fully Developed at 18

question 87

Multiple Choice

Piaget argued that object permanence is fully developed at 18 months. Recent research has indicated that

• A) Piaget's time estimate was right on.
• B) object permanence is actually developed at birth.
• C) awareness of object permanence is not apparent at birth but develops well before Piaget thought.
• D) object permanence actually develops around age two years.

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Definitions:

Treatment Means

The average outcomes or results of different treatments or conditions in experimental research.

Sample Mean

The average value of a set of characteristics (numbers) from a subset of a population, used to estimate the population mean.

Null Hypothesis

The default position in statistical hypothesis testing that assumes no relationship or effect between the variables being studied.

P-value

The likelihood of getting test outcomes that are as significant as or more so than the ones actually seen, presuming the null hypothesis is true.