An Investigator Repeatedly Plays a Recording of the Sound "Ba

question 46

Multiple Choice

An investigator repeatedly plays a recording of the sound "ba" while checking the rate that an infant sucks on a nipple. After the infant's rate of sucking decreases, the investigator switches to the sound "pa." What is the investigator probably trying to determine?

• A) Which of the two sounds does an infant like best?
• B) Can the infant detect the difference between the two sounds?
• C) Does the infant copy the sounds it hears?
• D) What is the capacity of an infant's short-term memory?

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Definitions:

Multiple Regression

A statistical approach that determines how a dependent variable's behavior is related to the influence of multiple independent variables.

Best Model

The most suitable statistical or computational model that provides the best fit to the data according to selected criteria.

Anova F Test

A statistical method used to compare three or more samples by analyzing the variance among them to determine if they come from the same population.

Regression Coefficients

Quantitative expressions that represent the strength and direction of the relationship between independent variables and the dependent variable in a regression analysis.