A School Psychologist Is Interested in Determining If Children with Attention

question 23

Multiple Choice

A school psychologist is interested in determining if children with attention deficit disorder (ADD) learn better if English literature is read to them rather than having them read the material themselves. A random sample of 10 sixth graders with ADD is selected and divided into two groups of 5 each. One of the groups has a story read to them (Listening Group) and the other reads the story themselves (Reading Group) . A quiz on the story is given after each group has finished reading or hearing the story. The following scores were obtained with 20 being a perfect score. What do you conclude, using a = 0.05 2 tail ?

• A) Reject H ₀
• B) Retain H ₀

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Definitions:

Battery Explosion

A hazardous event where a battery releases its stored energy rapidly and violently, often due to overcharging, short circuiting, or thermal runaway.

Polarity

The state of electrical charge differential, either positive or negative, of the electrical charge in a circuit or device.

Battery Bank

A battery bank is a collection or group of batteries that are connected together to store electrical energy for use in power systems.

Cold Cranking Amp

A rating used to define a battery's ability to start an engine in cold temperatures, indicating the number of amps a battery can support for 30 seconds at 0 °F without dropping below a specified voltage.