Group var - scoring rel - test length - item diff impact; mitigate.

Discussing the impact of group variability, scoring reliability, test length, and item difficulty on

Group variability

Scoring reliability

Test length

Item difficulty

All affect test score reliability; discuss how each of these variables impact test design and how you might mitigate those impacts.

You are required to post a thread of at least 400–500 words, supported by at least 1 scholarly resource in current APA format. Additionally, you must integrate 1 biblical principle into your conclusions. Acceptable sources include the textbook, journal articles, the Bible, etc. (Wikipedia is not acceptable as a stand-alone source.)

Criteria	Levels of Achievement
Content	Advanced	Proficient	Developing	Not Present
Thread Content	19 to 21 points All key components of the Discussion prompt are answered in the thread. The thread has a clear, logical flow. Major points are stated clearly. Major points are supported by good examples or thoughtful analysis.	18 points Most of the components of the Discussion prompt are answered in the thread. The thread has a logical flow. Major points are stated reasonably well. Major points are supported by good examples or thoughtful analysis.	1 to 17 points The Discussion prompt is addressed minimally. The thread lacks flow or content. Major points are unclear or confusing. Major points are not supported by examples or thoughtful analysis.	0 points Not present.
Replies Content	13 to 14 points Each reply focuses on a meaningful point made in another candidate’s thread. Each reply provides substantive additional thoughts regarding the thread and an explanation of why the student agrees or disagrees with the idea presented in the thread. Each reply is clear and coherent.	12 points Most replies focus on a meaningful point made in another student’s thread. Most replies provide substantive additional thoughts regarding the thread and an explanation of why the student likes or dislikes the idea presented in the thread. Most replies are clear and coherent.	1 to 11 points Some replies focus on a point made in another student’s thread. Replies could be more substantive regarding the thread. Replies lack clarity and coherence.	0 points Not present.
Structure	Advanced	Proficient	Developing	Not Present
Grammar, Spelling, and Current APA Format	8 points Spelling and grammar are correct. Sentences are complete, clear, and concise. Paragraphs contain appropriately varied sentence structures. Where applicable, references are cited in current APA format.	7 points Some spelling and grammar errors. Sentences are presented as well. Paragraphs contain some varied sentence structures. Where applicable, references are cited with some current APA formatting.	1 to 6 points Spelling and grammar errors distract. Sentences are incomplete or unclear. Paragraphs are poorly formed. Where applicable, references are minimally or not cited in current APA format.	0 points Not present.
Word Count and Citation Requirements	7 points The thread minimum word count of 400-500 words is met, but not exceeded by more than 100 words. At least 2 replies are present, and a minimum word count of 150-200 words each is met but not exceeded by more than 100 words. Thread and replies include the required number of citations.	6 points The thread word count is 250-399 words. At least 2 replies are present, or the word count is 100-149 words each. Thread and replies do not include the required number of citations.	1 to 5 points The thread word count is less than 250 words. At least 1 reply is present, or the word count is less than 100 words each. Thread and replies do not include citations.	0 points Not present.