answers
Imagine that over the past year there have been 1312 new cases of ADHD diagnosed at PSU.
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That statistic would be an example of the ___________ of ADHD.
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a. prevalance
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b. evidence - ANSWER: ➡ incidence
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A sample of individuals is recruited, about half who suffer from attention problems and half
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that do not. They ask them how frequently they use smartphones and determine if those
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who use them more often have more attention problems. What kind of study is this? -
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ANSWER: ➡ Case-control
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Empirical - ANSWER: ➡ -original research done by the author
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-abstract describes experiment m m
-reads like a lab report, containing results and methods
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-specific title m
-p-value
Literature Review - ANSWER: ➡ -Not original research
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-written about existing research to point out best current evidence
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-general title m
-reads like an essay m m m
-no results or methods
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Meta-Analysis - ANSWER: ➡ -a collection of many empirical studies and synthesizing them
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for one overall result
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-a lot of combined data
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,-discussion of methods, but only about how they collected all the data
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Corticotrophin Releasing Hormone (CRH) is released from the _________________ and prompts
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the secretion of ________________ from the ___________________. - ANSWER: ➡ -Hypothalamus
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-ACTH
-Anterior Pituitary m
Phillip appears t be healthy, but his doctor recommends he get screened for prostate cancer
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due to a family history if the disease. Screening is what type of prevention? - ANSWER: ➡
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Secondary
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Julia wants to start running as a way of staying healthy. She doesn't have confidence in her
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ability to maintain a regular running schedule though, which causes her to avoid initiating
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the behavior. Which theory of behavior change best explains this decision? - ANSWER: ➡
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Theory of Planned Behavior
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You are trying to determine the risk of CVD in two patients. Patient 1 has a total cholesterol of
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300 mg and an HDL of 100 mg. Patient 2 has a total cholesterol of 240 mg and an HDL of 80
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mg. Which patient appears to have a higher risk of heart disease based on these numbers? -
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ANSWER: ➡ They have an equal risk, because both ratios are 1:3
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Which is NOT true about Stage I of HIV infection?
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A. It produces severe cold and flue symptoms that may not be recognizable as HIV
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B. The patient is contagious
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C. It typically lasts for months to years
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D. It lasts for about 8 weeks - ANSWER: ➡ C. It typically lasts for months to years
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Is it possible to observe the placebo effect even if you tell someone they will be receiving a
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placebo? - ANSWER: ➡ Yes
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,Using a case-control study design, researchers find a relative risk of 5.0 describes the
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relationship between having a high-stress occupation and hypertension. This means: -
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ANSWER: ➡ Those with a high stress occupation are 5 times more likely to have
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hypertension
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What is the best type of study to demonstrate a causal relationship between two variables? -
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ANSWER: ➡ Experimental Study
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A ________ is a research design, that by definition, involves simply describing a small group of
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patients who all have a similar diagnosis or collection of symptoms. - ANSWER: ➡ Case
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series
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The Biomedical model` - ANSWER: ➡ -idea that all disease has a biological cause, and is
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usually the result of an infection/pathogen
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-ignores any social or psychological factors
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Which of the following p-values represents a value that would typically be considered
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statistically significant?
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A. 0.09 m
B. 0.21 m
C. 0.01 m
D. 0.06 - ANSWER: ➡ 0.01
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Researchers use a cohort study design to investigate the hypothesis that daily alcohol
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consumption increases the risk of developing dementia. The dependent variable in this
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example is... - ANSWER: ➡ Dementia Diagnosis
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Researchers are studying the relationship between caffeine intake and gastroesophogeal
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reflux disease (GERD). They recruit a sample of individuals; half who have GERD and half
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who don't. Then they ask the participants about their caffeine intake to see if people with
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GERD are more likely to intake large amounts of caffeine. What kind of study is this? -
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ANSWER: ➡ Case-Control
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, The American Diabetes Association reports that there are 1.4 million new cases of diabetes
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diagnosed every year. This is a measure of the ________ of diabetes. - ANSWER: ➡ Incidence
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Researchers are interested in the relationship between poor sleep and depression. They
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recruit a sample of participants; about half of them sleep an adequate amount each night and
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half have what is considered insufficient sleep. None of the participants are depressed at the
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start of the study. Researchers follow the participants for 5 years to determine if those with
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an insufficient amount of sleep are more likely to develop depression. What kind of study is
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this? - ANSWER: ➡ Cohort
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A researcher recognizes people are much more likely to carry an umbrella on campus on
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days it rains. He hypothesized that when people carry umbrellas, it causes it to rain. Which of
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the following best describes what is really going on with umbrellas and rain in relation to the
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researcher's hypothesis?
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A. bidirectional causation
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B. Reverse causation
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C. There is a confounding variable
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D. Coincidence - ANSWER: ➡ B. reverse causation
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In an experimental study, one group is given a new pharmaceutical drug and another is given
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a placebo, The group given the placebo is referred to as the _________ group. - ANSWER: ➡
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control
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Researchers conduct a survey of elderly individuals residing at nursing homes in PA. The
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researchers sit down with each participant and ask them a series of questions about their
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well-being. The researchers use the survey data to write a report about the mental health of
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nursing home residents. What type of study is this? - ANSWER: ➡ Cross-sectional
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Researchers want to investigate the relationship between energy drinks and blood pressure.
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They recruit a sample of 100 people and assign 50 to group A and 50 to group B. Blood
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pressure is measured in both. Then participants of group A drink an energy drink and group
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B drink a placebo. Blood pressure is measured again and pre-and post- drink blood
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pressures are compared. What type of study is this? - ANSWER: ➡ Experimental
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