FRQ 10 Question 2

Identify ONE statistical technique that Dr. Franklin could use to represent the relationship between the variables in the study.

Dr Franklin can use a scatter plot and a correlation graph.

Identify a research method used by Dr. Franklin.

A research method he will use is a questionnaire.

Describe TWO aspects of research design that weaken the validity of Dr. Franklin's conclusion that stress causes physical illness.

1. Causation is not established because the direction of the cause could be reversed. 2. Testing a specific group of people (girls) limits the ability to generalize.

Based on the information provided, describe ONE appropriate and ONE inappropriate ethical feature of the study.

One appropriate ethical characteristic is the debriefed participants. One inappropriate ethical characteristic is that only some, 100 of 250, participants were debriefed.

Describe the operational definitions of the TWO key variables that Dr. Franklin used in the study.

The two key variables Dr. Franklin uses is stress and illness. Stress is measured by a stress questionnaire. Illness is measured by the numbers of days absent.