RCT,
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Q: Which statistical test should be used?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
While appraising an RCT, which of the following are important to assess?
Question 7 options:
blinding of outcome assessors
number of participants lost to follow up
length of follow-up
all of the above
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- What do we assume our Level of Significance to be unless otherwise specified?The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.Which of the following represents the correct order of a statistical analysis? Formulate a hypothesis; Gather data; Determine rejection of the null hypothesis Formulate a hypothesis; Determine rejection of the null hypothesis; Gather data Determine rejection of the null hypothesis; Gather data; Formulate a hypothesis Gather data; Formulate a hypothesis; Determine rejection of the null hypothesis
- Please indicate the dependent and independent variables in the following hypotheses. People with higher education are more prone to read books than people with less education. Independent variable: Dependent variable:Which of the following Research questions utilizes one-sample z-test as Test Statistics? * Does Academic Resiliency differ between College Students and College Droupouts? Does Self-esteem increases as Parent Attachment increases? Does the Student's Verbal SAT Score significantly differ from the Population? Does Section 1 have higher quiz score than Section 2?Here is the Statistics problem. Read this passage. What is the explanatory variable in this passage?
- “Children whose parents smoke in their presence are more likely to develop asthma than children whose parents do not smoke in their presence.” How many tails should be used when looking up the t test statistic for this study? Question 6 options: one tail two tails Either one tail or two tails - it doesn't matter there is not enough information to tell.Micah is interested in testing whether college students' levels of gratitude change over the course of the semester. He randomly selects a sample of 100 students and assesses their levels of gratitude at the beginning, and end of the semester. Question 17 options: ANOVA Paired samples t test Independent samples t test CorrelationA scientist is studying the effect of a new type of exercise program on cardiovascular health. The scientist randomly assigns individuals to either the exercise program or a control group. The scientist wants to determine if the exercise program has a statistically significant effect on cardiovascular health. The scientist monitors cardiovascular health by measuring the blood pressure of each individual. The type of program the individual experienced is which of the following? (Select all that apply) The Explanatory Variable Ordinal The Response Variable Categorical Binary Quantitative Categorical
- Textbook question for practise - A behavioural psychologist has developed a cognitive-behavioural therapy (CBT) technique modified from classic systematic desensitization to reduce her patients’ phobia of spiders. She decides to test the effectiveness of her new therapy approach by selecting ten patients at random to undergo the treatment for 3 months. The patients were asked to rate how much fear they feel/experience when in the presence of a spider/spiders using a scale from 0 (no fear at all) to 100 (extreme panic and fear). They were tested before and after the therapy. The ratings for each patient are as follows: For this question, be sure to do the following: ▪ State the statistical hypotheses (using the appropriate notation). ▪ Indicate whether the research hypothesis is non-directional or directional (and how you know). ▪ Set the decision rules, which will include: o State alpha - 0.05% o Compute the degrees of freedom o Providing the critical value for the test statistic…Which of the following would not be consideredWhich of the following is NOT a threat to the internal validity of an experiment? Experimenter effects. Confounding variables Demand characteristics. Within-groups design.
