Imagine That a Study Has Just Been Published Which Shows

question 218

Multiple Choice

Imagine that a study has just been published which shows a relationship between a certain nutritional supplement and a lower incidence of cold and flu. This study was based on survey data and asked people to report whether or not they used this supplement in the last four months, as well as estimate the amount of times they were ill in that same period, and the average duration associated with those illnesses. Their results show that people who take the supplement report being ill less often and/or for less time. The company selling the supplement wants to claim that this is scientific proof their product works. Why are participants in this study asked about both the number and duration of illnesses?

• A)they are different ways of reducing consumer bias
• B)they are different ways to operationalize the independent variable(s)
• C)one relates to internal validity and the other to external validity
• D)one relates to external validity and the other to internal validity
• E)they are different ways to operationalize the dependent variable(s)

Identify the major categories of government expenditure and sources of government revenue.

Understand the dynamics and satisfaction levels in abusive relationships.

Recognize the existence and implications of sexual double standards between genders.

Explore the factors influencing commitment and jealousy in relationships.

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Definitions:

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower and middle body into the right atrium of the heart.

Radial Veins

Veins located on the lateral side of the forearm, responsible for draining blood from the hand and forearm back towards the heart.

Ulnar Veins

Veins located along the ulna bone in the forearm, responsible for draining blood from the hand and forearm back toward the heart.

Axillary Vein

A large blood vessel that conveys blood from the lateral aspect of the thorax, arm, and shoulder back to the heart.