For Questions Below Use the Data on the Following Page

question 12

Short Answer

For questions below use the data on the following page: A researcher is interested in establishing whether memory is a function of both IQ and time of testing. A random sample of 40 university students was selected and each student was given an IQ test. Half of the students scored above 115 and were assigned to the high IQ category. The students were than all given a series of paragraphs to read, followed by a memory test on the content of what had been read. Half the students took the memory test immediately after reading the material, while the other half waited an hour before testing. The results were as follows (high scores indicating better memory retention):
-Find the MS within.

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Definitions:

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Cerebellum

A large structure of the vertebrate brain, located under the occipital lobe, that plays an important role in motor control.

Reticular Formation

An extensive network of neurons located in the brainstem that plays a key role in controlling arousal and consciousness.

Scientific Approach

A methodological way of seeking knowledge that involves observation, hypothesis formulation, experimentation, and conclusion.