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Exam 4: Research Methods

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Question 51

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Explain why it is important to make a distinction between statistical and clinical significance when interpreting research findings.

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Statistical significance refers to the s...

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Question 52

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One advantage of the case study method is that it can:

A) measure causation.
B) study a rare phenomena in-depth.
C) none of the above are correct.
D) all of the above are correct.

E) None of the above
F) All of the above

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Question 53

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Which research method often suffers from losing research participants due to high dropout rates or even death?

One significant limitation of the cross-sectional design is called the "cohort effect." This relates to the fact that

One of the problems in trying to understand how psychopathology may be "caused" by cultural influences is that similarities in the way individuals of a culture experience psychopathology

In research, the term "clinical significance" refers to

External validity is:

Joe is suffering from a severe anxiety disorder. His psychiatrist prescribes a medication that has been found in many research studies to help reduce anxiety. Joe takes the medication, but his anxiety level does not improve at all. Since the anxiety medication did not work, Joe concludes that his psychiatrist must be wrong and he must be suffering from some other disorder. The problem with Joe's conclusion is that he is failing to consider the

At this point, the human genome project has been successful in producing

A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night, while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes. These findings are clearly

In a double-blind study,

Epidemological researchers such as DeLisi and colleagues (2003) , who assessed men and women in Manhattan following the terrorist attacks of September 11, 2001, generally use the research method called the .

As a child's age increases, so does her height. This is an example of a(n) correlation.

The advantage of using a withdrawal design as part of a single-case experiment is that the researcher can

A researcher is studying how anxiety tends to be experienced by people of different ages. The researcher interviews depressed adolescents, young adults, individuals in their 30s and 50s, and those over 70. The individuals in each age group represent a .

As Van Gogh slowly began developing schizophrenia, he painted a series of self-portraits that depicted the progression of the disorder over time. This is a good example of a(n)

The reason that researchers cannot allow participants to decide whether to be in the control or treatment group is that this procedure may result in differences between the treatment and control group participants that

In research studies, the term "effect size" refers to

A researcher separates participants into two groups. Group A receives an active medication, and Group B receives an empty capsule that looks and feels like the real medication. Group B is the group.

One of the major problems of using family studies to determine the genetic components of psychological disorders is that family members may have similar disorders due to