Dr Sussman Conducts a Study on the Effect of Various

question 157

Multiple Choice

Dr. Sussman conducts a study on the effect of various motivational factors on job performance. In her study, she does an excellent job of controlling extraneous factors and as a result, we can have high confidence in the causal conclusions she draws. However, the participants in her study were from a select group of the population and, therefore, Dr. Sussman will be rather limited in terms of her ability to apply her results to other people and situations. Taken as a whole, this study would be said to have ___________ internal validity and __________ external validity.

• A)good; good
• B)poor; good
• C)good; poor
• D)poor; poor

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Definitions:

Stringed Instruments

Musical instruments that produce sound by vibrating strings, played either by plucking, striking, or using a bow.

Wind Instruments

Musical instruments that produce sound by the vibration of air in a tube; examples include flutes, clarinets, and trumpets.

Nearly Normal Condition

A condition in statistics where a sample distribution approximates a normal distribution, often requisite for certain types of inference.

Representative Sample

A subset of a population that accurately reflects the members of the entire population.