Applying Statistical Inference: an Example If an Experimenter Finds That

question 23

Multiple Choice

Applying Statistical Inference: An Example If an experimenter finds that the difference between two treatment groups is significant at the .05 level, then

• A)the odds of obtaining this difference by chance are 95 in 100 times.
• B)the probability of this treatment effect is 5%.
• C)we would expect chance to produce a result this large less than 5 in 100 times.
• D)we should accept the null hypothesis.

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Definitions:

Clowns

Entertainers who perform comical acts, using makeup and exaggerated expressions to amuse an audience; traditionally associated with circuses, parties, and theatrical performances.

Operational Definition

A specific, concrete method of measuring or manipulating a conceptual variable.

Ethical Issue

A situation that requires a person or organization to choose between alternatives that must be evaluated as right (ethical) or wrong (unethical).

Human Subjects

Individuals who participate in research studies, whose rights and welfare are protected by ethical guidelines.