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Question: After reading the article “HESI Exams An Overview of Reliability and Validity”, discuss the psychometrics of the instrument and determine......

12 Feb 2024,4:03 PM

 

  1. Reading Assignment (20 points): Read Chapter 11 ,“Tests for Comparing Group Means: Part I” in the Textbook Statistics for Evidence-based Practice in Nursing  (2017).  Also complete the lesson plan by reading the articles and watching the videos.

 

 Answer the following questions in your own words:

  1.  After reading the article “HESI Exams An Overview of Reliability and Validity”, discuss the psychometrics of the instrument and determine if it is a good choice as a reliable and valid predictor tool for a medical surgical course.

 

To test the reliability of the HESI Exam before administration, a Kuder Richardson Formula 20 was used. This formula can only be applied to dichotomously scored data, meaning the response to an item or task is always scored as either correct or incorrect. Test for validity is an ongoing process. Content validity refers to the test items' effectiveness in measuring students' basic nursing knowledge and skills. 

 

  1. After reading the article “An integrative review of the use and outcomes of HESI testing in baccalaureate nursing programs answer the following questions:
    1. Summarize predictor variables as identified by various authors in the integrative review as being beneficial to BSN students.
    2.  After reading the article do you think that remediation would be beneficial in improving HESI scores in Dr. Koestler’s medical-surgical class? 
    3. Write a null hypothesis and directional hypothesis, in there proper formats,  to test your assumption prior to analyzing the data.

 

  1.  SPSS Assignment (80 points)
  1. Perform a descriptive analysis of the sample.

Descriptives

 

Descriptive Statistics

 

N

Minimum

Maximum

Mean

Std. Deviation

Version 1 HESI

35

58.22

99.42

79.1243

10.83923

At Least 75% of HESI Packet Completed

33

.00

1.00

.3636

.48850

Version 2 HESI

35

55.43

94.12

78.4066

11.06854

Gender

35

1.00

2.00

1.9143

.28403

Valid N (listwise)

33

 

 

 

 

 

 

  1. Perform an dependent t-test in SPSS and test the null hypothesis that you wrote prior to analysis of the data.  Specifically investigate whether completing the remediation improved the Final Exam HESI Scores in the medical surgical class. 
    1. Report the mean and standard deviation and determine if they are significantly different

The mean for remediation completion was .36 and the standard deviation was .49. After completing the remediation, the mean for the final exam hesi score was 78.0 with a standard deviation of 11.2.

 

    1. Report the “t” value and degrees of freedom

T value is -40.764 and df is 32.

    1. Write your findings in APA format

 

  1. Include a cut & paste of the output in this assignment

 

T-Test

 

Paired Samples Statistics

 

Mean

N

Std. Deviation

Std. Error Mean

Pair 1

At Least 75% of HESI Packet Completed

.3636

33

.48850

.08504

Version 2 HESI

78.0088

33

11.15226

1.94136

 

 

Paired Samples Correlations

 

N

Correlation

Significance

One-Sided p

Two-Sided p

Pair 1

At Least 75% of HESI Packet Completed & Version 2 HESI

33

.448

.004

.009
           

 

 

 

 

 

 

Paired Samples Test

 

Paired Differences

t

df

Significance

 

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

One-Sided p

Two-Sided p

 

Lower

Upper

 

Pair 1

At Least 75% of HESI Packet Completed - Version 2 HESI

-77.64515

10.94192

1.90474

-81.52499

-73.76531

-40.764

32

<.001

<.001

 
                       

 

 

Paired Samples Effect Sizes

 

Standardizera

Point Estimate

95% Confidence Interval

Lower

Upper

Pair 1

At Least 75% of HESI Packet Completed - Version 2 HESI

Cohen's d

10.94192

-7.096

-8.855

-5.329

Hedges' correction

11.20700

-6.928

-8.646

-5.203

a. The denominator used in estimating the effect sizes.

Cohen's d uses the sample standard deviation of the mean difference.

Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor.

 

 

  1. Perform a dependent t-test for the variables PreHESI Score and Final Exam HESI Score.  Analyze the data output
    1. Report the mean and standard deviation and determine if they are significantly different
    2. Report the “t” value and degrees of freedom
    3. Write your findings in APA format
    4. Include a cut & paste of the output in this assignment

 

T-Test

 

Paired Samples Statistics

 

Mean

N

Std. Deviation

Std. Error Mean

Pair 1

Version 1 HESI

79.1243

35

10.83923

1.83216

Version 2 HESI

78.4066

35

11.06854

1.87093

 

 

Paired Samples Correlations

 

N

Correlation

Significance

One-Sided p

Two-Sided p

Pair 1

Version 1 HESI & Version 2 HESI

35

.380

.012

.024
           

 

 

Paired Samples Test

 

Paired Differences

t

df

Significance

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

One-Sided p

Two-Sided p

Lower

Upper

Pair 1

Version 1 HESI - Version 2 HESI

.71771

12.19945

2.06208

-3.47294

4.90837

.348

34

.365

.730
                     

Paired Samples Effect Sizes

 

Standardizera

Point Estimate

95% Confidence Interval

Lower

Upper

Pair 1

Version 1 HESI - Version 2 HESI

Cohen's d

12.19945

.059

-.273

.390

Hedges' correction

12.47706

.058

-.267

.381

a. The denominator used in estimating the effect sizes.

Cohen's d uses the sample standard deviation of the mean difference.

Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor.

 

 

    1. Create a Stem & Leaf graph of the output data

 

Explore

 

Case Processing Summary

 

Cases

Valid

Missing

Total

N

Percent

N

Percent

N

Percent

Version 1 HESI

35

100.0%

0

0.0%

35

100.0%

Version 2 HESI

35

100.0%

0

0.0%

35

100.0%

 

Version 1 HESI

 

 

 

Version 1 HESI Stem-and-Leaf Plot

 

 Frequency    Stem &  Leaf

 

     1.00        5 .  8

     3.00        6 .  344

     5.00        6 .  56888

     3.00        7 .  133

     7.00        7 .  5677889

     6.00        8 .  001122

     3.00        8 .  799

     4.00        9 .  1122

     3.00        9 .  789

 

 Stem width:     10.00

 Each leaf:        1 case(s)

 

 

Version 2 HESI

 

 

Version 2 HESI Stem-and-Leaf Plot

 

 Frequency    Stem &  Leaf

 

     3.00        5 .  589

     3.00        6 .  033

     2.00        6 .  58

     3.00        7 .  333

     7.00        7 .  5567889

     6.00        8 .  002233

     4.00        8 .  5569

     7.00        9 .  0012334

 

 Stem width:     10.00

 Each leaf:        1 case(s)

 

  1.  Perform an independent t-test and test the hypothesis that there is no difference between male and female final HESI Scores. Report your findings in terms of differences in grades.

 

T-Test

 

Group Statistics

 

Gender

N

Mean

Std. Deviation

Std. Error Mean

Version 2 HESI

Male

3

83.7133

4.97826

2.87420

Female

32

77.9091

11.39250

2.01393

 

 

Independent Samples Test

 

Levene's Test for Equality of Variances

t-test for Equality of Means

F

Sig.

t

df

Significance

Mean Difference

Std. Error Difference

95% Confidence Interval of the Difference

One-Sided p

Two-Sided p

Lower

Upper

Version 2 HESI

Equal variances assumed

2.188

.149

.865

33

.197

.393

5.80427

6.70811

-7.84348

19.45202

Equal variances not assumed

 

 

1.654

4.378

.084

.167

5.80427

3.50955

-3.61688

15.22542

 

 

Independent Samples Effect Sizes

 

Standardizera

Point Estimate

95% Confidence Interval

Lower

Upper

Version 2 HESI

Cohen's d

11.10968

.522

-.672

1.709

Hedges' correction

11.37041

.510

-.656

1.669

Glass's delta

11.39250

.509

-.685

1.696

a. The denominator used in estimating the effect sizes.

Cohen's d uses the pooled standard deviation.

Hedges' correction uses the pooled standard deviation, plus a correction factor.

Glass's delta uses the sample standard deviation of the control (i.e., the second) group.

 

 

  1.  Submit your output by the due date

 

 

https://apaxresearchers.com/storage/files/2024/02/12/9667-C5K_16_02_25_anintegrativereviewoftheuseandoutcomesofhesitestinginbaccalaureatenursingprograms.pdf

https://apaxresearchers.com/storage/files/2024/02/12/9667-gqj_16_02_42_hesiexamsreliabilityandvalidity.pdf

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