Anton and His Friends Are Discussing a Study He Read

question 7

Multiple Choice

Anton and his friends are discussing a study he read about in his developmental psychology class. In the study, the researcher made the claim that most middle school students who are bullied have low self-esteem. Clarissa questions the study, saying, "I am not sure that I am convinced. I am not sure you can really measure being bullied." Quinn also questions the study, saying, "Which middle school students did they study? I am curious if they included both private and public school students." Manish also is curious about the study, asking, "I wonder how strong the relationship is between bullying and self-esteem. Could you predict one from the other?"
Why should Anton NOT interrogate the internal validity of the study?

• A)because he is a student, not a researcher
• B)because the author of the study already did
• C)because the study's claim is an association claim
• D)because he has not taken statistics yet

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Definitions:

Price Elasticity

The measurement of demand's elasticity to price changes for a particular good.

Midpoint Formula

A method used in mathematics to calculate the midpoint, or average, of two points on a line segment.

Price Elasticity

The degree of interplay between a good's demanded quantity and its price movement.

Midpoint Method

The midpoint method is a technique used in economics to calculate the elasticity of a variable by dividing the percentage change in the quantity demanded or supplied by the percentage change in price, using the midpoint between two values as the base of calculation.