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BBH 101 EXAM QUESTIONS AND ANSWERS
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BBH 101 EXAM QUESTIONS AND ANSWERS
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BBH 101 EXAMQUESTIONS
AND ANSWERS
After a few weeks of observation, I have come to believe that students on campus tend
to walk faster when it is near a time that classes typically start (e.g. 9:05 AM, 1 PM) than
when it is between class times. This is an example of a: - Answers -Hypothesis
Researchers want to investigate the relationship between drinking energy drinks and
blood pressure. They recruit a sample of 100 participants and randomly assign 50 of
them to group A and 50 of them to group B. Blood pressure is measured in both groups.
Then participants of group A drink an energy drink and participants in group B drink a
placebo drink. Blood pressure is then measured again and the pre- and post-drink
measurements are compared. This is what type of study? - Answers -Experimental
Which of the following p-values represents a value that would typically be considered
statistically significant? - Answers -.01
The American Diabetes Association reports that there are 1.4 million new cases of
diabetes diagnosed every year. This is a measure of the ______________ of diabetes. -
Answers -incidence
In the large-scale effort to replicate psychology publications discussed in the article "The
Unscientific Method," how many of the studies were successfully replicated? - Answers
-a little more than 1/3
In an experimental study, one group is given a new pharmaceutical drug and another
group is given a placebo. The group given the placebo is referred to as the: - Answers -
control group
, A group of investigators are interested in a hypothesized relationship between poor
sleep and depression. They recruit a sample of participants; about half of them sleep an
adequate amount each night and half of them have what is considered insufficient sleep
(less than 6 hours per night). None of the participants are depressed at the start of the
study. Researchers follow-up with the participants over the next 5 years to determine if
those who sleep an insufficient amount each night are more likely to become
depressed. This is what type of study? - Answers -Cohort
A ___________ is a research design that, by definition, involves simply describing a
small group of patients who all have a similar diagnosis or collection of symptoms. -
Answers -case series
Which of the following sounds like a description of a disease that would fit best under
the biomedical model of health? - Answers -a person develops the disease when they
are exposed to a pathogen (i.e. germ) that causes the disease
Researchers conduct a survey of elderly individuals residing at nursing homes
throughout Pennsylvania. The researchers sit down with each participant one time and
ask a series of questions about subjective well-being. The researchers use the survey
data to write a report about the mental health of nursing home residents in the state.
This is what type of study? - Answers -cross-sectional
Which of the following study designs is best for demonstrating that one variable causes
another? - Answers -experimental study
Researchers use a cohort study design to investigate the hypothesis that daily alcohol
consumption increases the risk of developing dementia. The dependent variable in this
example would be: - Answers -dementia diagnosis
Using a case-control study design, researchers find a relative risk of 5.0 describes the
relationship between having a high-stress occupation and hypertension. This means
that: - Answers -those with a high-stress occupation were 5 times more likely to have
hypertension
Researchers are interested in studying the relationship between excessive caffeine
intake and gastroesophageal reflux disease (GERD). They recruit a sample of
individuals; about half of them have GERD and half do not. They then ask the
participants about their caffeine intake and analyze the data to determine if individuals
with GERD are more likely to drink large amounts of caffeine. What type of study is
this? - Answers -case-control
Bill is laying on the couch watching a movie. He is calm and relaxed. What type of
nervous system activity is predominant at this time? - Answers -parasympathetic
nervous system activity
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