Homework Answers
The strongest data when it comes to describing an entire population is by ecological studies. They take into account the whole population outcome and not just an individual at a time.
Case studies are limited to just one person. Cross sectional studies include a section of the population but only at a single point of time.
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3рt When considering epidemiological inferences and descriptive studies, which study design would have the "strongest" level...
Differentiate the differences between descriptive, experimental, case-control, cross-sectional, ecological, and cohort-studies in relationship to epidemiological studies....
Differentiate the differences between descriptive, experimental, case-control, cross-sectional, ecological, and cohort-studies in relationship to epidemiological studies. How would you choose the correct study? Please use at least 300 words to support your answer.
Which of the following is true regarding cross-sectional studies? a Cross-sectional studies can only be descriptive...
Which of the following is true regarding cross-sectional studies? a Cross-sectional studies can only be descriptive and cannot be used to test a hypothesis since information on the exposure and disease are collected simultaneousl b Cross-sectional studies can provide an estimate of incidence when they are conducted on a national level and are representative of current demographic groups. c Cross-sectional studies are superior to experimental studies because they are more representative of the population d None of the above statements...
Choose the study design that best matches each statement described below. The study design may be...
Choose the study design that best matches each statement described below. The study design may be used more than once or none at all. (24 points) Statement Study Design ____ Blinding or masking is used to control potential bias. Case-Control ____ Observational epidemiological studies, this design is cheaper and faster to conduct because of the usage of already existing data. Cross-sectional ____ Control groups can receive the current “standard” treatment or a placebo. Ecological ____ Data on exposure and outcome...
Match the type of epidemiology/study with the example This type of study is the strongest at...
Match the type of epidemiology/study with the example This type of study is the strongest at proving or disproving association and allows the researcher to control exposure to cases and controls. Examples of this type of a study include BRFSS, NHANES, PRAMS. This is (or these are) not a study but a form of epidemiology that includes analyzing rates, proportions, and ratios. This type of study is (or these types of studies are) most often used with testing a null...
1.Many different study designs are used in epidemiological research. State which study design is being used in each of t...
1.Many different study designs are used in epidemiological research. State which study design is being used in each of the scenarios described below. Your choices are as follows: *EXPERIMENTAL STUDY *RETROSPECTIVE COHORT STUDY *PROSPECTIVE COHORT STUDY *CASE-CONTROL STUDY *CROSS-SECTIONAL STUDY *ECOLOGICAL STUDY (a) A hospital-based study of antidepressant medication use during pregnancy and the risk of cleft lip in the offspring. Investigators are currently enrolling two groups of women: those who just delivered an infant with a cleft lip and...
3) True or False? If the goal of the study is to understand populations, describe patterns, or ask research questions that are not focused on causality, the best design may be a cross-sectional or co...
3) True or False? If the goal of the study is to understand populations, describe patterns, or ask research questions that are not focused on causality, the best design may be a cross-sectional or cohort study. True False 5) True or False? Case definitions are essential for any outbreak investigation no matter which study approach is used to investigate the epidemic. 6) True or False? Cross-sectional surveys are used to establish baseline data prior to the initiation of longitudinal studies....
In a _________ evaluation design, the evaluator collects data from multiple data sources or studies and...
In a _________ evaluation design, the evaluator collects data from multiple data sources or studies and combines those results to create a new evaluation report. Case study or scenario Meta analysis Cohort study Factorial Flag this Question Question 2 _________ is collected to show a participant s condition before a program starts. Interim data Qualitative data Knowledge Baseline data Flag this Question Question 3 In a _________ evaluation, only the evaluator, not the participants, are aware of their placement in...
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject...
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject in an experiment. You may want to describe their disease and/or exposure status. 3. Does "validity" indicate that a test or an instrument is accurate/correct? a. Yes b. No 4. The Healthy Worker Effect is an epidemiological concept that has shown that as a group, people who are employed are healthier than the general population. Because of this researchers must be alert to the...
39. studies are usually executed when the knowledge level is relatively high in regards to the...
39. studies are usually executed when the knowledge level is relatively high in regards to the relationship of the exposure and disease being studied. a. Case-control b. Cohort 40. In using the study design, the epidemiologist divides study participants on whether or not they have a certain exposure and then waits to see if a certain disease/injury eventually occurs. a. case-control b. cohort 41. In a randomized clinical trial "this" has got to be a part of the study protocol....
In your opinion, which of the below three study design is best to assess the relationship...
In your opinion, which of the below three study design is best to assess the relationship between smoking and CRC? Why? (6 sentences) No plagiarism please Cross Sectional Study 1. Verga Enterprises is conducting a study to assess the relationship between smoking and colorectal cancer (CRC). In the survey that was conducted, 20 out of 100 non-smokers had CRC, while 40 out of 60 smokers had CRC. (a) What makes this a Cross Sectional study design? This particular case is...
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject in an experiment. You may want to describe their disease and/or exposure status. 3. Does "validity" indicate that a test or an instrument is accurate/correct? a. Yes b. No 4. The Healthy Worker Effect is an epidemiological concept that has shown that as a group, people who are employed are healthier than the general population. Because of this researchers must be alert to the...
39. studies are usually executed when the knowledge level is relatively high in regards to the relationship of the exposure and disease being studied. a. Case-control b. Cohort 40. In using the study design, the epidemiologist divides study participants on whether or not they have a certain exposure and then waits to see if a certain disease/injury eventually occurs. a. case-control b. cohort 41. In a randomized clinical trial "this" has got to be a part of the study protocol....
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