BBH Exam 1 Study Guide with Questions and Solutions
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Course
BBH 101
Institution
BBH 101
Which of the following best corresponds to a biomedical perspective on disease? Disease is due primarily to the influence of pathogens (e.g. viruses, bacteria, parasites)
Which of the following is a correct interpretation of a p-value of 0.03? there is approximately a 3% chance that the observed e...
BBH Exam 1 Study Guide with
Questions and Solutions
Which of the following best corresponds to a biomedical perspective on disease?
✅Disease is due primarily to the influence of pathogens (e.g. viruses, bacteria,
parasites)
Which of the following is a correct interpretation of a p-value of 0.03? ✅there is
approximately a 3% chance that the observed experimental results are due to some
aberration in the sample and don't accurately describe the population
Researchers conduct a cross-sectional survey and find there is a significant -0.4
correlation between age and daily candy intake. This means that: ✅as age increases,
candy intake decreases
In a case control study of diet soda and obesity, researchers find a significant odds ratio
of 1.5 for diet soda drinkers. This means that: ✅diet soda drinkers were 1.5x more
likely to be obese than non-diet soda drinkers
In an experiment, the investigators and the participants are both unaware of what group
the participants have been assigned to. This is what level of blinding? ✅double
Read the abstract for the article linked below. What type of study is this?
Maternal overweight and obesity and risk of pre-eclampsia in women with type 1
diabetes or type 2 diabetes.
(Links to an external site.)
Links to an external site. ✅Empirical
Read the abstract for the article linked below. What type of study is this?
Neurodevelopmental Disorders (ASD and ADHD): DSM-5, ICD-10, and ICD-11.
(Links to an external site.)
Links to an external site. ✅Literature Review
In the large-scale effort to replicate psychology publications discussed in the article "The
Unscientific Method," how many of the studies were successfully replicated? ✅a little
more than 1/3
Which of the following p-values represents a value that would typically be considered
statistically significant? ✅.01
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: ✅those with a high-stress occupation were 5 times more likely to have
hypertension
Which of the following study designs is best for demonstrating that one variable causes
another? ✅experimental study
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? ✅case-control
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.
✅incidence
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? ✅experimental
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? ✅cross-sectional
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.
✅case series
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: ✅dementia diagnosis
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: ✅hypothesis
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
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