Reducing bias Study guides, Revision notes & Summaries

RD Exam Prep: Domain 1 Topic C Questions and Answers 100% Correct Alternate Hypothesis - Answer- A statement that intends to explain a phenomenon. Opposite from null hypothesis. Null Hypothesis - Answer- No difference. States there is no statistical significance between the variables being tested. Research aims to reject the null hypothesis. A p value ≤ rejects the null hypothesis. Arm - Answer- Group in a trial that receives a specific intervention. Ex: control arm, experimental arm ...

parsimony - ANSWER look for the simplest explanation possible what is science? - ANSWER an attempt to discover order, and to display lawful relations determinism - ANSWER The universe is a lawful and orderly place what does it mean to be scientifically skeptical? - ANSWER that assumptions should not be made until evidence is available How do you reduce observer bias? - ANSWER by ensuring interobserver agreement guidelines for gathering evidence - ANSWER - reducing observer bias -...

RD Exam Prep: Domain 1 Topic C Questions and Answers 100% Correct Alternate Hypothesis - Answer- A statement that intends to explain a phenomenon. Opposite from null hypothesis. Null Hypothesis - Answer- No difference. States there is no statistical significance between the variables being tested. Research aims to reject the null hypothesis. A p value ≤ rejects the null hypothesis. Arm - Answer- Group in a trial that receives a specific intervention. Ex: control arm, experimental arm ...

BCOR 1015 Final Questions and Answers Graded A What are Hayeks views on planning and decision making? he believes in decentralized knowledge HAYEK: what is decentralized knowledge? spreading knowledge amongst people is Hayek against centralization? yes HAYEK: how does the price system coordinate resources? price signals are used to make decisions and send information to other groups because prices are lower or higher what are price signals? signals wrapped up in incentives; prices can consta...

ANCC Risk mgt / ethics / research Exam 93 Questions with Verified Answers What are some systematic components to reducing risk? What does it begin with? - CORRECT ANSWER Begins with a formal written plan -organizational goals -delineation of program scope, components, methods -delegating responsibility for implementation and enforcement -commitment of the board -guarantees of confidentiality and immunity for those who squeal goals -> scope/methods -> delegation -> board b...

HSC 404 Final Exam Questions And Answers The population etiologic fraction is a measure of the proportion of the disease rate in a population attributable to the exposure of interest. This measure of effect is influenced by: -the relative risk of the disease in exposed individuals versus unexposed individuals AND -the prevalence of the exposure in the population If it is accepted than an observed association is a causal one, an estimate of the impact that a successful preventative progr...

NR 503 Midterm Exam (Complete solutions and resources for the course exam) Question 1 Which of the following statements best describe efficacy? Question 2 A study is conducted for a pharmaceutical agent that has shown promise for reducing heart disease among women. In order to more fully test the agent, an additional study is done restricting the participants to be r&omized to those who have a history of hypertension. Which of the following advantages cannot be claimed by th...

The statistics that summarize a population are referred to as a. categorical statistics b. descriptive statistics c. probabilistic statistics d. control statistics - answer b. descriptive statistics Which of the following measures is increased when process performance is improved? a. Variability range b. Capability index c. Repeatability index d. Specification limits - answer b. Capability index Which of the following tools can be used to identify and quantify the source of a p...

Which of the following techniques is considered secondary research? -Conducting focus group -Observing the effect of subliminal messages on shoppers -Using Hoover's to determine what Walmart's profits were last quarter -Counting the number of times a speaker uses the word "utilize" in the transcript of a speech -Interviewing a subject matter expert : Using Hoover's to determine what Walmart's profits were last quarter "The Chicago Tribune pointed out that..." is an example of -...

Altius Exam 3 PSsocial desirability bias - correct answer A tendency to give socially approved answers to questions about oneself. Social desirability is a response bias that reflects the tendency to answer self-report questions in a manner that will be viewed favorably by others. Answer C is correct because years on Facebook is not an attribute that carries as much social approval or disapproval as Answer A, having a large number of Facebook Friends, Answer B, having high self-esteem, or Answe...