Cross sectional survey - Study guides, Class notes & Summaries

What level of measurement is temperature measured on the Fahrenheit scale? correct answers Interval What level of measurement is an automobile license plate number? correct answers Nominal What level of measurement is income earned this week at your job? correct answers Ratio What level of measurement are the top 3 airline companies in U.S.? correct answers Ordinal Voting behavior in Lee County in each election for the past 4 years. correct answers Time series data Number of stude...

prevalence formula - (old+new)/total population prevalence - -a slice though the population at a point in time at which we determine who has the disease and who does not -a good measure when a difficult to know when a person became a case point prevalence (snapshot) - frequency of existing disease/ condition at a certain point in time period prevalence - frequency of existing disease during a defined time period prevalence is affected by .... - incidence and duration if the disea...

Most serious deleterious alleles are a. dominant. b. codominant. c. recessive. d. no longer a part of the gene pool. - Answer-C Maternal reports of movement, or "quickening," during pregnancy usually happen by about a. 10 weeks. b. 16 weeks. c. 24 weeks. d. 30 weeks. - Answer-B each new event builds on earlier experiences in orderly way or gradual improvement - Answercontinuous process development occurs in discrete steps or stages; each stage is a new set of behaviors - Answerdisco...

Because it applies scientific evidence from peer-reviewed clinical research. The U.S. Centers for Disease Control and Prevention has reported that hospital-acquired infections affect up to 1 in 25 patients, leading to significant patient morbidity and mortality. Why should evidence-based practice be applied to address this issue? Because it applies scientific evidence from peer-reviewed clinical research. Because it applies nonclinical therapy to promote delivery of quality of care. Bec...

CLEP HUMAN GROWTH AND DEVELOPMENT REA PRACTICE EXAM 1 REVIEW QUESTIONS AND ANSWERS, RATED A+ Which theoretical perspective emphasizes nature in the "nature versus nurture" controversy? A. Behavioral theory B. Social learning theory C. Social-cognitive theory D. Psychodynamic theory E. Sociocultural - -(D) The psychodynamic theory emphasizes nature in the nature versus nurture debate more than the other perspectives listed because of the emphasis on inborn, biological drives within t...

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 ...

CHAPTER 3 TEST BANK General Issues in Research Design TRUE/FALSE 1. Social science involves three fundamental aspects: theory, data collection, and data analysis. ANS: T REF: 47 2. In grounded theory, observations may not contribute to theory development. ANS: F REF: 47 3. Research projects known as longitudinal studies are designed to permit observations over a short period of time. ANS: F REF: 67 4. Explanatory scientific research centers on the notion of cause and effect. ANS: T REF: ...

digital survey radiograph acquired by the CT system for the purpose of prescribing the cross-sectional acquisition. similar to a conventional radiograph, it is produced by translating the patient through the gantry without tube and detector rotation (looks like a regular xray) - correct answer Scout image which best describes ct scan a. two perpendicular images merge to create a solid image of structures b. multiple x-ray to create cross sectional images of the body - correct answer b...

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 ...

Crossover Trial A prospective study in which patients are moved from one group to another. A wash-out period is required between phases Meta-Analysis a procedure for statistically combining the results of many different research studies Network Meta-Analysis (NMA) Allows researchers to indirectly compare studies that tested many different instruments associated with the same disease Phase 1 clinical trials Drug is tested for safety/toxicity on 20-80 volunteers over time ...