DrSadik Is Studying the Effects of a New Anxiety Drug

question 84

Multiple Choice

Dr.Sadik is studying the effects of a new anxiety drug on the ability of obsessive-compulsive patients to ignore their obsessive thoughts and not need to carry out their compulsive behaviours.To do this,she uses three doses of drug on different groups of patients: some take a high dose,others a low dose,and others take a placebo sugar pill.She then measures the number of compulsive behaviours performed by each patient.What statistic would Dr.Sadik use to determine if she has a significant difference between groups?

• A) correlation coefficient
• B) t-test
• C) analysis of variance
• D) standard deviation

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Definitions:

Define Your Terms

A principle emphasizing the importance of clearly defining the words or concepts one is using in an argument or discussion.

Gut Reaction

An instinctive response or feeling, not based on rational thought.

Psychics

Individuals who claim to have abilities to perceive information hidden from the normal senses through extrasensory perception.

Empirical Evidence

Information acquired by observation or experimentation.