Three Doctoral Students Are Using Correlational Research Designs for Their

question 55

Multiple Choice

Three doctoral students are using correlational research designs for their dissertation research.When all of the work is done,Marilyn's data yielded a correlation coefficient of -.45,Susan's data was at +.30 and Bryan's data a -.50.Which student's data shows the strongest correlation between variables?

• A)Bryan
• B)Susan
• C)Marilyn
• D)All students showed very similar results.

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Definitions:

Positron Emission Tomography (PET)

A nuclear medicine functional imaging technique that produces a three-dimensional image of functional processes in the body.

Brain Activity

Refers to any type of neural or cerebral function involving electrical, chemical, and blood flow changes within the brain.

Radioactivity

The spontaneous emission of radiation in the form of particles or electromagnetic waves from the nucleus of an unstable atom.

Cerebellum

A part of the brain located at the back of the skull, crucial for motor control, coordination, precision, and accurate timing of movements.