Drug Controlled Substance Hypothesis Statistical Lab Report

Drug Controlled Substance Hypothesis Statistical Lab Report

Table of Contents

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Instructions

Drug Controlled Substance Hypothesis Statistical Lab Report

1. Write a Quality Assurance guide for the analysis of one of the following samples; both

samples are suspected of having a drug, but have not undergone any testing as of yet:

• A bag containing 100 grams of white powder suspected to contain a controlled

substance (drug)

OR

100ml of human urine suspected to contain a controlled substance (drug)

Please remember to address the following topics: scope, Terminology, Testing Facility,

Personnel, QA Manual Documentation, Evidence Control, Chemical Reagents,

Presumptive testing and confirmatory analytical Procedures, Validation, Equipment

Maintenance and Calibration, Proficiency Testing, Audits, Deficiency of

Analysis/Corrective Actions, and Health and Safety.

Depending upon the analysis being performed, some items may not be applicable

whereas other components may need to be added.

Also, remember that you can

reference a number of standard procedures (SOPs) by referring to established SOPs –

you do not need to provide the specifics of the analysis but rather just an overview of

the best practice to analyze the sample – which includes optimization of available

resources such as analytical instruments and personnel. (20 points)

The following FBI quality assurance guidelines summarize the essential goals and are

helpful as a reference for this module as well as for the assignment:

http://www.fbi.gov/about-us/lab/forensic-science-

communications/fsc/jan2005/standards/2005standards15.htm (Links to an external site.)

2. This following project involves the testing and comparison of quantitative results

produced by two labs using two different analytical methods.

A final report will need to

be created following the completion of this project.

Project Scenario:

Two individual laboratories (Lab A and Lab B) were contracted to

analyze 25 blood samples to determine the concentration of cocaine (and/or any

metabolites) in each sample.

Both labs used instrumentation that provided quantitative

results, but each lab used a different method.

Lab A utilized liquid chromatography-

mass spectrometry (LCMS) and Lab B utilized gas chromatography-mass spectrometry

(GCMS). For this project, each laboratory was tasked with analyzing the blood samples

of 25 known cocaine users.

As this project involved the comparison of Lab A with Lab B’s final results, each lab

needed to analyze the same 25 samples. As these labs were located in different cities,

two tubes of blood were drawn from each of the 25 subjects.

One blood tube was sent

to Lab A and the second was sent to Lab B so that each lab would have the same 25

samples to compare. Now that the testing has been completed, a final report needs to

be created to address whether or not the results from the two laboratories are

equivalent. Drug Controlled Substance Hypothesis Statistical Lab Report

For this assignment, you will need to write a brief outline for this project’s final report.

This report should follow a clear structure and include all of the required components as

described in the module’s reading. Be sure that the report you submit includes

information on the two labs, the two different methods used, and 25 fictitious

concentration results per lab.

Additionally, be certain to include and explain all of the

components that would be required for this final report as discussed in the reading. The

concentration data must be included and a statistical analysis of that data must be

included as a part of this report.

Please consider the following when completing this assignment:

* What does your fictional cocaine concentration data look like? You need to come up

with your own fictional data for this assignment (the values for the concentrations should

be in units of ng/mL). You must include the 25 concentration results for each lab as a

part of the data as well as the results of the calculated statistics. You can simply present

this concentration data in an Excel table or chart format

* The statistical comparison needs to be calculated using either a student t-test or

Wilcoxon. You must perform the statistical analysis on your fictional data and compare

Lab A to Lab B. You must also provide a conclusion as to whether or not the two

methods were comparable.

Useful links: Drug Controlled Substance Hypothesis Statistical Lab Report

Cocaine analysis in various body fluids:

https://www.researchgate.net/publication/14750172_Cocaine_and_benzoylecgonine_in

_saliva_serum_and_urine (Links to an external site.)

Research report guidelines:

http://www.nlm.nih.gov/services/research_report_guide.html (Links to an external site.)

You may also have to refresh some knowledge of statistical testing since you will be

comparing two groups. Here is some reading material:

“An Introduction to Statistics”, Driscoll P, Lecky F, Crosby M, J Accid Emerg Med,

2001, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1725369/ (Links to an external site.)

“An Introduction to hypothesis testing. Parametric comparison of two groups-1”, Driscoll

P, Lecky F, Emerg Med J,

2001, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1725552/ (Links to an external site.)

“An Introduction to hypothesis testing. Parametric comparison of two groups-2”, Driscoll

P, Lecky F, Emerg Med J,

2001, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1725593/ (Links to an external site.)

“An Introduction to hypothesis testing. Non-Parametric comparison of two groups-1”,

Driscoll P, Lecky F, Emerg Med J,

2001, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1725625/

Drug Controlled Substance Hypothesis Statistical Lab Report

RUBRIC
Excellent Quality 95-100%	Introduction 45-41 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.		Literature Support 91-84  points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.			Methodology 58-53 points Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score 50-85%	40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.		83-76  points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.			52-49  points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality 0-45%	37-1 points The background and/or significance are missing. No search history information is provided.		75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.			48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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