Week 2 Assignment – Half-Life Calculation
Assignment Instructions
Imagine you are trying to help a colleague understand some basic concepts about psychopharmacology. Write a brief paper to address the following:
- Explain the concept of half-life for a drug.
- Differentiate between half-life and steady state.
- Explain the difference between potency and effectiveness of a drug.
- Respond to the following scenario:
- If a drug has a half-life of six hours, how long will it take for the drug to be eliminated from the body after administration of a single dose? Explain how you arrived at that particular cutoff score for complete elimination. Show your calculations on a timeline or graphs to illustrate the changes from 100 percent of the initial dose to your endpoint for complete elimination.
Additional Requirements
- Length: 2–3 pages of content plus title, abstract, and reference pages.
- References: Include at least one current, scholarly reference from a peer-reviewed academic journal or academic book. References should be no older than 5 years.
- Formatting: Use current APA formatting, including correct in-text citations, proper punctuation, double spacing throughout, proper headings and subheadings, no skipped lines before headings and subheadings, proper paragraph and block indentation, no bolding, and no bullets. You must also use the proper APA style to list your references. Refer to APA Style and Format (linked in Resources) for more information.
- Avoid stigmatizing language.
Week 2 Assignment – Half-Life Calculation
Criteria
Explain the concept of half-life for a drug.
30 to >25.5 pts
DISTINGUISHED
Explains the concept of half-life for a drug with supporting evidence from academic research.
25.5 to >21 pts
PROFICIENT
Explains the concept of half-life for a drug.
21 to >0 pts
BASIC
Describes the concept of half-life for a drug.
0 pts
NON_PERFORMANCE
Does not describe the concept of half-life for a drug.
Criteria
Differentiate between the concepts of half-life and steady state.
30 to >25.5 pts
DISTINGUISHED
Differentiates between the concepts of half-life and steady state with supporting evidence from academic research.
25.5 to >21 pts
PROFICIENT
Differentiates between the concepts of half-life and steady state.
21 to >0 pts
BASIC
Describes, but does not differentiate between the concepts of half-life and steady state.
0 pts
NON_PERFORMANCE
Does not describe or differentiate between the concepts of half-life and steady state.
Criteria
Explain the difference between potency and effectiveness of a drug.
30 to >25.5 pts
DISTINGUISHED
Explains the difference between potency and effectiveness of a drug with supporting evidence from academic research.
25.5 to >21 pts
PROFICIENT
Explains the difference between potency and effectiveness of a drug.
21 to >0 pts
BASIC
Describes the difference between potency and effectiveness of a drug.
0 pts
NON_PERFORMANCE
Does not describe the difference between potency and effectiveness of a drug.
Criteria
Apply drug half-life concepts to determine length of time until elimination from the body.
30 to >25.5 pts
DISTINGUISHED
Applies drug half-life concepts to determine length of time until elimination from the body with supporting evidence from academic research.
25.5 to >21 pts
PROFICIENT
Applies drug half-life concepts to determine length of time until elimination from the body.
21 to >0 pts
BASIC
Partially applies drug half-life concepts to determine length of time until elimination from the body.
0 pts
NON_PERFORMANCE
Does not apply drug half-life concepts to determine length of time until elimination from the body.
Criteria
Professionally communicate knowledge of psychopharmacology.
15 to >12.75 pts
DISTINGUISHED
Professionally communicates knowledge of psychopharmacology and exhibits superior written communication skills.
12.75 to >10.5 pts
PROFICIENT
Professionally communicates knowledge of psychopharmacology.
10.5 to >0 pts
BASIC
Communicates knowledge of psychopharmacology, but the communication shows limited knowledge or poor written communication skills.
0 pts
NON_PERFORMANCE
Does not professionally communicate knowledge of psychopharmacology.
Criteria
Write clearly with correct spelling, grammar, syntax and good organization.
15 to >12.75 pts
DISTINGUISHED
Writes concisely with excellent clarity and organization and with no errors in spelling, grammar, or syntax; employs critical or analytical reasoning as needed.
12.75 to >10.5 pts
PROFICIENT
Writes clearly with correct spelling, grammar, syntax, and good organization.
10.5 to >0 pts
BASIC
Writes clearly overall, but there are some errors in spelling, grammar, syntax, or organization.
0 pts
NON_PERFORMANCE
Does not write clearly, and there are errors in spelling, grammar, syntax, and organization.
/ 15 pts
Related; DATCB/565 Competency 2 Assessment and Rubric
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