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Predator/Prey Relationship
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Technical Quality Information
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Contributed by: Council of Chief State School Officers (CCSSO)
| Unit Name: |
Population Dynamic: Predator/Prey Relationship |
| Unit Content: |
Life Science |
| Unit Theme: |
Systems and Interactions |
| Notes: |
None |
ME406 - Item 1
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| Cognitive: |
Using Scientific Information |
| SCASS Scale Value: |
1.47 |
| Item Analysis: |
| Label |
N |
Mean |
Standard Deviation |
| Item #1 Score |
203 |
1.7536946 |
0.7501971 |
| Score |
Frequency |
Percent |
Cumulative
Frequency |
Cumulative
Percent |
| 1 |
85 |
41.9 |
85 |
41.9 |
| 2 |
86 |
42.4 |
171 |
84.2 |
| 3 |
29 |
14.3 |
200 |
98.5 |
| 4 |
3 |
1.5 |
203 |
100.0 |
| Frequency Missing = 38 |
ME406 - Item 2
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| Cognitive: |
Extending Scientific Information |
| SCASS Scale Value: |
2.34 |
| Item Analysis: |
| Label |
N |
Mean |
Standard Deviation |
| Item #2 Score |
164 |
1.8536585 |
0.8082694 |
| Score |
Frequency |
Percent |
Cumulative
Frequency |
Cumulative
Percent |
| 1 |
62 |
37.8 |
62 |
37.8 |
| 2 |
69 |
42.1 |
131 |
79.9 |
| 3 |
28 |
17.1 |
159 |
97.0 |
| 4 |
5 |
3.0 |
164 |
100.0 |
| Frequency Missing = 77 |
Notes: None
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