To Check the Effect of Cold Temperatures on the Battery's

question 63

Multiple Choice

To check the effect of cold temperatures on the battery's ability to start a car researchers purchased
A battery from Sears and one from NAPA. They disabled a car so it would not start, put the car in a
Warm garage, and installed the Sears battery. They tried to start the car repeatedly, keeping track of
The total time that elapsed before the battery could no longer turn the engine over. Then they
Moved the car outdoors where the temperature was below zero. After the car had chilled there for
Several hours the researchers installed the NAPA battery and repeated the test. Is this a good
Experimental design?

• A) No, because they should have tested other brands of batteries, too.
• B) Yes
• C) No, because they should have tested more temperatures.
• D) No, because temperature is confounded by brand.
• E) No, because the car and the batteries were not chosen at random.

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Definitions:

Racial Pride

The positive regard for one's racial or ethnic group, fostering a sense of identity and community.

Ethnic Heritage

The background, culture, traditions, and history shared by a group of people connected by common ancestry.

Identity Status

A framework describing the process of identity development with different stages: achievement, moratorium, foreclosure, and diffusion.

Marcia

Refers to James Marcia's theory on the stages of identity crisis and development, focusing on adolescents' exploration of identity.