Exam 10: Analysis of Variance Anova

Researchers studied anxiety among a sample of 1200 hospitalized patients. Study participants were divided into three age groups and an ANOVA test was utilized to assess differences in distress from anxiety (scale of 0-10). The researchers report that those 65 years and younger had higher distress from anxiety compared to the two other age groups. You know this means:

A study utilizes repeat measures ANOVA to examine the impact of using 3 months of suppressive treatment with acyclovir immediately followed by 3 months of a new antiviral medication on HSV 2 lesions. The researchers conclude that the new antiviral medication is significantly better at reducing HSV 2 lesions. You are not confident in this results because you are concerned about:

A study examines educational preparation and the average score on a cultural competency exam. Subjects included are nurses with an associate's degree, nurses with a baccalaureate degree, nurses with a master's degree, and nurses with a doctoral degree all of whom complete a survey of 40 questions. What test would be appropriate to determine if there is a significant difference in the average scores among the nurses with the different levels of educational preparation?

Researchers studied pain among a sample of 1200 hospitalized patients. Study participants were divided into three age groups to assess differences in distress from pain (scale of 0-10). Which test would be appropriate?

A study compares the average blood sugar in young adults, middle aged adults and the elderly after receiving a Thiazolidinedione drug. An appropriate test to utilize would be:

You are trying to determine if there is a significant difference in the mean Glasgow coma scale score for patients who are seen with a head injury during the day, evening and night shifts in your emergency room. Your ANOVA results have an F value of 22.33 and a p value of <0.01. You know this means:

A researcher conducts an ANOVA analysis and reports no differences in average certification exam test scores for nurses identified as Baby Boomers, Millennials or Generation X. If this result is INCORRECT you know it is:

Researchers design a study to assess the score achieve on Beck's depression inventory before 59 patients begin a group therapy intervention and after 6 weeks, 12 weeks and 6 month after completion. An appropriate statistical test to use would be:

A researcher conducts an ANOVA analysis and reports no differences in average certification exam test scores for nurses identified as Baby Boomers, Millennials or Generation X. If this result is CORRECT you know:

You are trying to determine if there is a significant difference in the mean age between patients who have developed a nosocomial infection while admitted to your adult surgical unit, your adult medical unit and your cardiac ICU. What would be an appropriate test to use?

Researchers wish to examine the relationship between primary language spoken and average number of hospital admissions. They assess patients who speak English, Spanish, French, Arabic, and Swahili. An appropriate test to use is:

Researchers examine the relationship between marital status and physical activity and report a statistically significant association (F=6.11, p=0.022). If the researchers are incorrect you know this is what type of error?

A researcher conducts an ANOVA analysis and reports no differences in average certification exam test scores for nurses identified as Baby Boomers, Millennials or Generation X. You would expect to see:

A study utilizes ANOVA to examine the average distribution rates of an antibiotic in infants, toddlers and school age children. The results include an F statistic that is 1.04. You know this means:

Researchers use ANOVA to examine the relationship between primary language spoken and number of hospital admissions and report a statistically significant association (F=6.11, p=0.022). You know this means:

$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { ANOVA }$ $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\text { About how often do you pray? }$ Sum of Squares df Mean Square F Sig Between Groups 566.937 4 141.734 72.776 .000 Within Groups 1269.716 643 1.975 Total 1836.653 647 Researchers asked patients who identified as Catholic, Protestant, Jewish, Muslim and Other how many times a month they usually prayed to see if there was a significant difference between the groups. The reported the above information. What should they conclude?

You are trying to determine if there is a significant difference in the mean Glasgow coma scale score for patients who are seen with a head injury during the day, evening and night shifts in your emergency room. Your ANOVA results have an F value of 3.74 p value of 0.07. You know this means:

You are conducting a study with fifty-eight randomly selected participants in a dolophine rehabilitation program. You measure the withdrawal index for all the participants at the beginning of the study, after one week of SSRI treatment, and then after one week of art therapy. This study design may be problematic because of:

You are conducting a study with twenty-five randomly selected participants in a methadone rehabilitation program. You measure the withdrawal index for all the participants at the beginning of the study, after one week of daily guided meditation practice, and then after one week on a new herbal supplement. An appropriate test to use would be:

You have five groups using different exercise techniques and you want to compare the average number of pounds lost. What test would be appropriate?