The primary purpose of random assignment in a clinical trial is to help ensure that study subjects are representative of the population help reduce detection bias help ensure the study groups are comparable pre-intervention facilitate adherence to the intervention facilitate measurement of the outcome variable all of the above
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The primary purpose of random assignment in a clinical trial is to
|
help ensure that study subjects are representative of the population |
|
help reduce detection bias |
|
help ensure the study groups are comparable pre-intervention |
|
facilitate adherence to the intervention |
|
facilitate measurement of the outcome variable |
|
all of the above |
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- Screening test A as a sensitivity of 78% and a specificity of 85%. Screening test B has a sensitivity of 85% and a specificity of 90%. Given that they are applied to the same population and the same disease, which of the following statement is correct? Screening test A has a higher yield than Screening test B Screening test A is more valid than Screening test B Screening test B has better predictability than Screening test A Screening test B is more valid than Screening test A Screening test A has better predictability than Screening test BIn the context of a case control study, matching can help you: a. Eliminate random error b. Ensure a large sample size c. Ensure comparability between cases and controls d. Study the factors you match on as potential exposuresMatch as appropriate Sensitivity Specificity Predictive value of a positive test or positive predictive value Predictive value of a negative test or negative predictive value A. Ability of a screening test to correctly identify all screened individuals who have the disease or outcome of interest B. Probability of someone screened negative to actually not have the disease or outcome of interest C. Probability of someone screened positive to actually have the disease or outcome of interest D. Ability of a screening test to correctly rule out individuals who actually do not have the disease or outcome of interest
- What are some challenges that you foresee when implementing Precision Medicine (which includes Pharmacogenomics and Immunogenomics as well as Risk Screenings for certain cancers)? This can include ethical, financial, social, legal, etc. challenges. Please provide some examples when discussing your identified challenges. How might you tackle these challenges you comment on above? How might your solutions influence/impact the patient when utilizing Precision Medicine?Discuss which are the elements of the protocol for implementing a questionnaire data collection method. Elaborate a strategy for questionnaire design addressing the research question: "Does COVID-19 affect the work satisfaction of employees?". Propose four main questions that are suitable in your view to be part of this questionnaire. Briefly motivate your choice of questions and the strategy for the question-design that you have used.Describe the purposes of positive and negative controls; identify in an experiment like a test for HIV, which portions are positive and negative controls and which is (are) the test.
- During clinical trial, which phase only focus on safety but not effectiveness of the tested drug? Phase 0 Phase 1 Phase 2 Phase 3 O Phase 4R3Step 1: Explore the following Safety Campaign: https://www.dumbwaystodie.com Step 2: Choose either the Elaboration Likelihood Model or the Extended Parallel Processing Model to analyze this health campaign. Step 2: critically analyze the campaign by answering the following questions: a.) What type of campaign or intervention was it? Why do you believe it is this type? (Support your choice) b.) Walk through the steps of the model you chose and connect the campaign with the model steps and assumptions. Act as though you are the target audience. You must demonstrate in this response that you fully understand each step of the model (even if it didn't apply to you directly). You are demonstrating that you are able to take a PSA and analyze it using the model. c.) What do you think made this campaign effective? d.) How do you think this campaign could be improved?
- To test the efficacy of vitamin C in preventing colds, army recruits were randomly assigned to one of two groups: 500 mg of vitamin C daily and a placebo (sugar pill) daily. Both groups were then followed for a year to determine the number and severity of subsequent colds. What type of study design is it? Ecologic study Quasi experimental study Case-control study Cohort study Randomized controlled trialChart 2. Levels of evidence (ASHA, 2004) Level Description la Well-designed meta-analysis of more than one randomized controlled trial lb lla llb III IV Well-designed randomized controlled study Well-designed controlled study without randomization Well-designed quasi-experimental study Well-designed non-experimental studies, i.e., correlational and case studies Expert committee report, consensus conference, clinical experience of respected authorities Match the types of study with their ranking level. Randomized control trial Cohort study Cross-sectional study Case-control study Single subject design (time series) Single case study [Choose ] Level 3 ✓ Level 2 Level 1 Level 2 Level 3 [Choose] [Choose ] [Choose ]What are the diagnostic, therapeutic and monitoring aspect of ALL? Then You need to find papers and data that supports and evaluates these (diagnostic, therapeutic and monitoring aspect) to be clear you have to talk about therpautic option, how its treatments and how its diagnosed and how its monitored, there need to EVIDENCE of evaluation of these methods and that means getting data that supports and evaluates why that that methods is being used? provide graphs and reference for the studies used to evaluate the point and evidence