Mann sample - Study guides, Class notes & Summaries

Interval variables contain a true zero. True of false? - answer-False Which of the following statements are true with respect to ordinal data? The numbers represent categories The order of the values have meaning The distance between values can be calculated The numbers represent actual measurable quantities - answer-All are true Which of the following would be the best measure of dispersion or spread for a study evaluating quality of life on a 1 to 5 scale? Standard error Interquart...

EPPP Exam Questions with 100% Correct Answers In which type of graph do the bars touch to indicate the overlapping nature of the data? a) bar graph b) histogram c) pie chart d) scatterplot - Answer️️ -histogram Which scale of measurement is dichotomous/categorical and does not have a sp order, equal intervals or an absolute zero? a) nominal b) ordinal c) interval d) ratio - Answer️️ -nominal Which scale of measurement would be used to measure the places achieved in a horse ...

BST 322 Final Exam - Questions and Answers A nurse researcher studied the effect of biofeedback on blood pressure. For this study, she measured blood pressure on subjects, taught them biofeedback techniques, then re-measured blood pressure on the same group of patients. Which t-test would be most appropriate for this design? Dependent groups t-test The smaller the SEM, the more confidence we have that the estimates from the sample include the population value A range of values estimated to hav...

BST 322 Week 3 Test Questions with Correct Answers chi-square test of independence - Answer-- basic non-parametric test - determine if two categorical variables are independent; basically if they have a relationship - compares the observed and expected cell frequencies of a contingency table expected frequencies - Answer-- we would expect to see if the subjects were distributed through the table randomly observed frequencies - Answer-- those counts we literally got in the course of some...

Chi-square test of independence Correct Answer - basic non-parametric test - determine if two categorical variables are independent; basically if they have a relationship - compares the observed and expected cell frequencies of a contingency table Expected frequencies Correct Answer - we would expect to see if the subjects were distributed through the table randomly Observed frequencies Correct Answer - those counts we literally got in the course of some research Yate's correction C...

descriptive statistics process of describing data. most often performed on a small subset of a population, known as a sample inferential statistics allows researchers to draw conclusions on the population-based on information collected from the sample. builds on descriptive statistics 1-sample Z-Test Testing whether sample mean is equal to a target value when "population variance is known" Independent variable: 1 known sample Dependent variable: 1 continuous variable Tested Val...

What does PPDAC stand for? - answer-Problem, Plan, Data, Analysis, Conclusions Problem in PPDAC: - answer-What is the problem or question? Plan in PPDAC - answer-what info do you need to answer the question? Data in PPDAC - answer-collecting high quality information Analysis in PPDAC - answer-Sorting, graphing, and running statistical tests Conclusions in PPDAC - answer-Interpretation, communication, and generating new ideas Why was the Wakefield et al. study poorly done? - ans...

12. In which section(s) of a scientific report would you expect to find reference to the results/findings of the investigation? (1) - ANS B - abstract, discussion, results section 13. Which of the following correlation coefficients best describes the data represented in Figure 2? (1) - ANS B - -0.25 14. Identify the type of graph shown in Figure 2 and explain why this is an appropriate response to use for the data collected (3) - ANS -Scatter plot -shows corr...

CCE Practice Exam 5 - Questions and Answers (Complete Solutions) In working with a client who has received a diagnosis of Dissociative Identity Disorder, a cognitive therapist's initial goal would be: A. to collaborate with the client to identify specific treatment goals. B. to make a "cognitive diagnosis" for the purpose of developing a concrete treatment plan. C. to identify the cognitive antecedents and consequences that are sustaining the client's multiple personalities. D. to establis...

CPH Sample Exam 128 Questions with Verified Answers Which one of the following items does not represent the value of biostatistics in the assessment of health problems of the population and determine their extent? (A) Finding patterns in the collected data (B) Summarizing and presenting the information to best describe the target population (C) Deciding what information to gather to help identify the health problems (D) Accounting for possible inaccuracies in responses and measurements ...