Which of the Following Is an Example of How Variability

question 27

Multiple Choice

Which of the following is an example of how variability can interfere with a study's validity:

• A) different interviewers use instructions and procedures differently
• B) measurement error from an unreliable measure influences the data obtained from participants
• C) differences in participant characteristics influence the results within the sample
• D) all of the above

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Definitions:

Heritability

A statistical measure that indicates how much of the variation in a particular trait within a population can be attributed to genetic differences among individuals.

Universal Grammar

A theory suggesting that the ability to acquire language is innate, genetically programmed, and common to all humans, regardless of the specific language they learn.

Noam Chomsky

A linguist, cognitive scientist, and political activist known for revolutionizing the field of linguistics by introducing the concept of universal grammar.

Prelinguistic Vocalizations

Sounds made by infants before they acquire language, including cooing and babbling, which are early forms of communication and vocal experimentation.