1)

A researcher utilizes a t-test to compare the average amount of beta-lactamase produced by two different types of bacteria. The Levene's test for equality of variances has a p value of 0.09. You know this means:

(2pts)

Question 1 - A researcher utilizes a t-test to compare the average amount of beta-lactamase produced by two different types of bacteria. The Levene's test for equality of variances has a p value of 0.09. You know this means:

Select You should report the t-test results associated with assuming equal variances. as your answer

You should report the t-test results associated with assuming equal variances.

Select You should report the t-test results associated with NOT assuming equal variances. as your answer

You should report the t-test results associated with NOT assuming equal variances.

Select The t-test is not significant so you should fail to reject the null hypothesis. as your answer

The t-test is not significant so you should fail to reject the null hypothesis.

Select The t-test is statistically significant so you should reject the null hypothesis. as your answer

The t-test is statistically significant so you should reject the null hypothesis.

2)

A pilot study reports no relationship between miles run and HR in young athletes (r=0.7, p=0.06). If this study report is incorrect you know it is an example of:

(2pts)

Question 2 - A pilot study reports no relationship between miles run and HR in young athletes (r=0.7, p=0.06). If this study report is incorrect you know it is an example of:

Select A violation of the normal distribution assumption as your answer

A violation of the normal distribution assumption

Select A dependent sample as your answer

A dependent sample

Select A type I error as your answer

A type I error

Select A type II error as your answer

A type II error

3)

A researcher studies the relationship between taking aminoglycosides and muscle strength in a random sample of patients who take aminoglycosides and a random sample of patients who do not take aminoglycosides. An average strength score is calculated for each participant. To determine if there is a statistically significant difference in the average strength score an independent t-test is utilized. The researchers report that taking aminoglycosides is associated with a lower average strength score (t=1.984, p=0.025). You know this means:

(2pts)

Question 3 - A researcher studies the relationship between taking aminoglycosides and muscle strength in a random sample of patients who take aminoglycosides and a random sample of patients who do not take aminoglycosides. An average strength score is calculated for each participant. To determine if there is a statistically significant difference in the average strength score an independent t-test is utilized. The researchers report that taking aminoglycosides is associated with a lower average strength score (t=1.984, p=0.025). You know this means:

Select A type I error was made as your answer

A type I error was made

Select Equal variances was not assumed. as your answer

Equal variances was not assumed.

Select The Levene's test was insignificant as your answer

The Levene's test was insignificant

Select There is a statistically significant difference in the average strength score between the two groups. as your answer

There is a statistically significant difference in the average strength score between the two groups.

4)

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:

(2pts)

Question 4 - 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:

Select There is a significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts. as your answer

There is a significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts.

Select There is NOT significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts. as your answer

There is NOT significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts.

Select A type I error was made. as your answer

A type I error was made.

Select A type II error was made. as your answer

A type II error was made.

5)

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:

(2pts)

Question 5 - 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:

Select There is a significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts. as your answer

There is a significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts.

Select There is NOT significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts. as your answer

There is NOT significant difference in the mean Glasgow coma scale score for patients seen with a head injury on the three different shifts.

Select A type I error was made. as your answer

A type I error was made.

Select A type II error was made. as your answer

A type II error was made.

6)

Subjects were asked how much salt they consume each week and whether they currently have peripheral edema in a survey with a cross sectional design. What measure of association would be appropriate for this analysis?

(2pts)

Question 6 - Subjects were asked how much salt they consume each week and whether they currently have peripheral edema in a survey with a cross sectional design. What measure of association would be appropriate for this analysis?

Select Attributable risk as your answer

Attributable risk

Select Attack rate as your answer

Attack rate

Select Relative risk as your answer

Relative risk

Select None of these measures is appropriate for this type of data as your answer

None of these measures is appropriate for this type of data

7)

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?

(2pts)

Question 7 - 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?

Select Chi-Square as your answer

Chi-Square

Select Independent t-test as your answer

Independent t-test

Select Outcome Analysis as your answer

Outcome Analysis

Select ANOVA as your answer

ANOVA

8)

A random sample of nurses were involved in a hand washing study at a local hospital to determine if the average residual bacterial count on hands was different for day or night nurses. The study involves an alpha of 0.10 and finds a p value of 0.12. What should the researcher conclude?

(2pts)

Question 8 - A random sample of nurses were involved in a hand washing study at a local hospital to determine if the average residual bacterial count on hands was different for day or night nurses. The study involves an alpha of 0.10 and finds a p value of 0.12. What should the researcher conclude?

Select Night nurses have a higher average residual bacterial count on their hands. as your answer

Night nurses have a higher average residual bacterial count on their hands.

Select There is a statistically significant difference in the residual bacterial count found on the hands of day and night nurses. as your answer

There is a statistically significant difference in the residual bacterial count found on the hands of day and night nurses.

Select This is a type II error as your answer

This is a type II error

Select There is NOT a statistically significant difference in the residual bacterial count found on the hands of day and night nurses. as your answer

There is NOT a statistically significant difference in the residual bacterial count found on the hands of day and night nurses.

9)

Researchers study the relationship between interpersonal violence and health in college age women. The researchers planned to examine the average score on a psychological distress scale and compare the score for abused versus non abused women. What would be an appropriate test to consider?

(2pts)

Question 9 - Researchers study the relationship between interpersonal violence and health in college age women. The researchers planned to examine the average score on a psychological distress scale and compare the score for abused versus non abused women. What would be an appropriate test to consider?

Select Dependent t test as your answer

Dependent t test

Select McNemar's test as your answer

McNemar's test

Select chi-square test as your answer

chi-square test

Select t test for independent groups as your answer

t test for independent groups

10)

A study examining the relationship between travel and stress reports an r=0.4. You know that this means:

(2pts)

Question 10 - A study examining the relationship between travel and stress reports an r=0.4. You know that this means:

Select There is a significant relationship between travel and stress. as your answer

There is a significant relationship between travel and stress.

Select As travel increases there is a 40% increase in stress. as your answer

As travel increases there is a 40% increase in stress.

Select There is a moderately positive correlation between the variables in the study. as your answer

There is a moderately positive correlation between the variables in the study.

Select When people travel their stress level decreases. as your answer

When people travel their stress level decreases.

11)

In January of 2016 a clinic is opened in Sierra Leone and 90 patients with Ebola are admitteD. In February, 45 of the previous patients with Ebola have died and 78 more newly diagnosed patients with Ebola are admitteD. No one is dischargeD. How many prevalence cases of Ebola are there at the clinic in February?

(2pts)

Question 11 - In January of 2016 a clinic is opened in Sierra Leone and 90 patients with Ebola are admitteD. In February, 45 of the previous patients with Ebola have died and 78 more newly diagnosed patients with Ebola are admitteD. No one is dischargeD. How many prevalence cases of Ebola are there at the clinic in February?

Select 123 as your answer

123

Select 78 as your answer

78

Select 168 as your answer

168

Select Unable to determine because this is incidence data as your answer

Unable to determine because this is incidence data

12)

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:

(2pts)

Question 12 - 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:

Select independent t-test as your answer

independent t-test

Select dependent t-test as your answer

dependent t-test

Select Chi-square as your answer

Chi-square

Select ANOVA as your answer

ANOVA

13)

A study examining the relationship between travel and stress reports an r=0.4 (p=0.02). You know that this means:

(2pts)

Question 13 - A study examining the relationship between travel and stress reports an r=0.4 (p=0.02). You know that this means:

Select There is a significant positive correlation between travel and stress. as your answer

There is a significant positive correlation between travel and stress.

Select As travel increases there is a 40% increase in stress. as your answer

As travel increases there is a 40% increase in stress.

Select There is a weak positive correlation between the variables in the study. as your answer

There is a weak positive correlation between the variables in the study.

Select When people travel their stress level decreases. as your answer

When people travel their stress level decreases.

14)

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:

(2pts)

Question 14 - 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:

Select There is a statistically significant difference in the average distribution rates in the three groups. as your answer

There is a statistically significant difference in the average distribution rates in the three groups.

Select Infants distribute the antibiotic faster because they have a higher percentage of fluid in their bodies. as your answer

Infants distribute the antibiotic faster because they have a higher percentage of fluid in their bodies.

Select The differences between the groups are similar to the differences within the groups. as your answer

The differences between the groups are similar to the differences within the groups.

Select There is NOT a statistically significant difference in between the groups. as your answer

There is NOT a statistically significant difference in between the groups.

15)

A study examines the relationship between being a registered nurse (yes/no) and passing a cultural competency exam (yes/no) among a group of 987 randomly selected employees at your hospital. What test would be appropriate to determine if there is an association?

(2pts)

Question 15 - A study examines the relationship between being a registered nurse (yes/no) and passing a cultural competency exam (yes/no) among a group of 987 randomly selected employees at your hospital. What test would be appropriate to determine if there is an association?

Select Independent t-test as your answer

Independent t-test

Select Chi-Square as your answer

Chi-Square

Select McNemar's test as your answer

McNemar's test

Select Pearson's Correlation as your answer

Pearson's Correlation

16)

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:

(2pts)

Question 16 - 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:

Select An F value close to 1 as your answer

An F value close to 1

Select A p value less than alpha as your answer

A p value less than alpha

Select A large sample size as your answer

A large sample size

Select A type I error as your answer

A type I error

17)

A researcher wants to compare the mean engagement score for nurses enrolled in 3 different online degree programs (DNP/MSN/ BSN). What test would you recommend she utilize?

(2pts)

Question 17 - A researcher wants to compare the mean engagement score for nurses enrolled in 3 different online degree programs (DNP/MSN/ BSN). What test would you recommend she utilize?

Select ANOVA as your answer

ANOVA

Select T-test for independent groups as your answer

T-test for independent groups

Select Logistic regression as your answer

Logistic regression

Select Pearson's Correlation Coefficient as your answer

Pearson's Correlation Coefficient

18)

A researcher reports that performance was significantly correlated with overall engagement among nurses enrolled in an online degree program (r=0.8). You know this means:

(2pts)

Question 18 - A researcher reports that performance was significantly correlated with overall engagement among nurses enrolled in an online degree program (r=0.8). You know this means:

Select As engagement goes up performance goes up as your answer

As engagement goes up performance goes up

Select As performance goes up engagement goes up as your answer

As performance goes up engagement goes up

Select The p value is less than alpha. as your answer

The p value is less than alpha.

Select All of these answers are correct as your answer

All of these answers are correct

19)

The researcher examines the relationship between hours of sleep and average test scores and reports an r=0.56, p=0.02. You know this means:

(2pts)

Question 19 - The researcher examines the relationship between hours of sleep and average test scores and reports an r=0.56, p=0.02. You know this means:

Select there is a statistically significant correlation between sleep and test scores. as your answer

there is a statistically significant correlation between sleep and test scores.

Select as hours of sleep increase average test scores do as well. as your answer

as hours of sleep increase average test scores do as well.

Select there is a strong positive relationship between the variables. as your answer

there is a strong positive relationship between the variables.

Select sAll of these answers are correct as your answer

sAll of these answers are correct

20)

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:

(2pts)

Question 20 - 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:

Select A Type I error as your answer

A Type I error

Select Too large of a sample as your answer

Too large of a sample

Select Because a repeat measures ANOVA should have been utilized as your answer

Because a repeat measures ANOVA should have been utilized

Select A type II error as your answer

A type II error

21)

A nurse at Lakeside hospital conducts a study that reports a when there is ice on the road the risk of traumatic injuries is higher (RR=5.3, 95% CI= 2.3-8.1). You know this means:

(2pts)

Question 21 - A nurse at Lakeside hospital conducts a study that reports a when there is ice on the road the risk of traumatic injuries is higher (RR=5.3, 95% CI= 2.3-8.1). You know this means:

Select It is time to buy snow tires. as your answer

It is time to buy snow tires.

Select Ice on the road is a significant risk factor for traumatic injuries. as your answer

Ice on the road is a significant risk factor for traumatic injuries.

Select Ice on the road is a clinically significant risk factor for traumatic injuries. as your answer

Ice on the road is a clinically significant risk factor for traumatic injuries.

Select Ice on the road appears to be a risk factor but it is not significant. as your answer

Ice on the road appears to be a risk factor but it is not significant.

22)

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:

(2pts)

Question 22 - 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:

Select t-test for independent groups as your answer

t-test for independent groups

Select t-test for dependent groups as your answer

t-test for dependent groups

Select ANOVA as your answer

ANOVA

Select Chi-square as your answer

Chi-square

23)

Researchers studied symptom distress and palliative care designation among a sample of 710 hospitalized patients. Controlling for age, they used a t-test to compare average distress from nausea scores in men and women. Lower scores indicated less distress from nausea. They report men had an average score of 1.02 and woman had an average score of 1.79. Which statement is correct?

(2pts)

Question 23 - Researchers studied symptom distress and palliative care designation among a sample of 710 hospitalized patients. Controlling for age, they used a t-test to compare average distress from nausea scores in men and women. Lower scores indicated less distress from nausea. They report men had an average score of 1.02 and woman had an average score of 1.79. Which statement is correct?

Select Men had significantly less distress from nausea. as your answer

Men had significantly less distress from nausea.

Select Men had half as much distress from nausea as woman but we can not determine if this is a significant difference. as your answer

Men had half as much distress from nausea as woman but we can not determine if this is a significant difference.

Select Men had less distress from nausea on average than women but we can not determine if this is a significant difference. as your answer

Men had less distress from nausea on average than women but we can not determine if this is a significant difference.

Select There is a positive correlation between distress from nausea and gender. as your answer

There is a positive correlation between distress from nausea and gender.

24)

You are trying to determine if there is a significant difference in the mean age between patients who have developed a nosocomial infection in your hospital and those who have not. Your results indicate t=0.487, p=0.632. You conclude:

(2pts)

Question 24 - You are trying to determine if there is a significant difference in the mean age between patients who have developed a nosocomial infection in your hospital and those who have not. Your results indicate t=0.487, p=0.632. You conclude:

Select Levene's test was insignificant. as your answer

Levene's test was insignificant.

Select There is a statistically significant difference in the mean age of those who develop a nosocomial infection and those who do not. as your answer

There is a statistically significant difference in the mean age of those who develop a nosocomial infection and those who do not.

Select There is NOT a statistically significant difference in the mean age of those who develop a nosocomial infection and those who do not. as your answer

There is NOT a statistically significant difference in the mean age of those who develop a nosocomial infection and those who do not.

Select Nosocomial infections are more likely to occur in those who are over age 48.7 years. as your answer

Nosocomial infections are more likely to occur in those who are over age 48.7 years.

25)

A researcher is examining the relationship between the number of surgical errors made and experience (measured in years) in a sample of 60 residents at your hospital. An appropriate test would be:

(2pts)

Question 25 - A researcher is examining the relationship between the number of surgical errors made and experience (measured in years) in a sample of 60 residents at your hospital. An appropriate test would be:

Select Spearman's Correlation Coefficient as your answer

Spearman's Correlation Coefficient

Select Pearson's Correlation Coefficient as your answer

Pearson's Correlation Coefficient

Select Independent t-test as your answer

Independent t-test

Select ANOVA as your answer