Linda, 55 Years Old, Has Trouble Reading Small Print and Trouble

question 109

Multiple Choice

Linda, 55 years old, has trouble reading small print and trouble seeing things when the light is dim. Her doctor suggested she look into _____. Even though she was worried, after some research she found that this is a routine procedure to correct vision for people her age.

• A) ocular transplants
• B) laser surgery
• C) electroconvulsive surgery
• D) glaucomistic installations

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Definitions:

Alternative Hypothesis

A statement that contradicts the null hypothesis and is tested to determine if there is evidence to support it.

Mean Difference

Mean difference, also known as the average difference, refers to the arithmetic mean of differences between paired observations in two sample sets.

Same Individuals

Referring to using the same group of subjects or samples in different conditions or periods of a study or experiment.

Matched Pairs

A study design in which subjects are paired based on certain characteristics, with one subject from each pair receiving each treatment.