DrKalmagura Plans on Introducing a New Exam Review Procedure in His

question 96

Multiple Choice

Dr.Kalmagura plans on introducing a new exam review procedure in his chemistry classes.To check the effectiveness of the new procedure he is going to have half his students try the new technique for one semester,while the remaining students review in the way they have always done in the past.He asks each student to decide which of the techniques they would like to use,the new technique or the standard technique.In this example,Dr.Kalmagura's procedure illustrates

• A) the use of non-random assignment.
• B) a correlational research design.
• C) a double-blind research design.
• D) what is meant by informed consent in research.

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Definitions:

Endometriosis

Inflammation of endometrial tissue sloughed off into the abdominal cavity rather than out of the body during menstruation; the condition is characterized by abdominal pain and sometimes infertility.

Infertility

A condition characterized by the inability to conceive a child after trying for an extended period of time, due to factors affecting either or both partners.

Amniotic Sac

A fluid-filled sac that surrounds and protects the developing fetus in the uterus.

Twin Studies

Research involving twins that aims to reveal the influence of genetics versus environment on various traits and behaviors.