NAVY SCHOOL MANAGEMENT MANUAL
NAVY SCHOOL MANAGEMENT MANUAL - AIM
NAVY SCHOOL MANAGEMENT MANUAL - AIM
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Remediation for a student whose unit/course averages or<br />
test grades fall below a predetermined grade.<br />
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This method helps to identify students with potential<br />
problems before they experience a failure.<br />
These students should be placed in a less structured<br />
and less formal remediation environment than those<br />
assigned mandatory remediation due to test/objective<br />
failure. Once a student shows improvement, the<br />
requirement to attend remediation should be lifted.<br />
Test and Test Item Analysis. Test items and tests are prepared<br />
during development/revision of curriculum. During this time<br />
they are reviewed for content validity but in order to determine<br />
if they have statistical validity, test and test item analysis<br />
techniques are needed. The techniques used for analyzing test<br />
items include difficulty index, index of discriminating power,<br />
and effectiveness of alternatives. Each will be discussed in<br />
the paragraphs that follow.<br />
Procedures for Analyzing Test Items. While test item analysis<br />
procedures may vary between courses, the following general<br />
guidelines apply.<br />
<br />
<br />
Analyses are conducted from student answer sheets. The<br />
recommended sample size is 100. Smaller sample sizes will<br />
be necessary when class size and number of course<br />
iterations dictate. When the answer sheets have been<br />
collected, conduct the analysis manually or with computer<br />
assistance.<br />
Record the date items are analyzed to keep track of the<br />
performance of the test item over time. This information<br />
may be maintained manually on the test item bank or<br />
automatically with some computer programs. Historical data<br />
is used to study trends in order to make decisions about<br />
test items over time. For example:<br />
<br />
<br />
If the difficulty index of the test item suddenly<br />
changes, the testing personnel should investigate<br />
possible causes for the change.<br />
If a difficult item is now very easy, it may have been<br />
compromised. If an easy item suddenly becomes very<br />
difficult, this may mean instructors are not teaching<br />
effectively or the quality of the student has changed.<br />
C-14<br />
NAVEDTRA 135C