|
| Scenario Description |
Item Description |
Item Type ** |
Cognitive Complexity *** |
State Performance + |
| How could a solution to a technological design problem be scientifically tested? | MC | 
| 59.6% |
Which properties caused layers of soil to form? | MC | 
| 62.5% |
Plan a simple controlled experiment to answer a new question. | SA | 
| 0.57 |
Which variable was the changed (manipulated) variable in the experiment? | MC | 
| 87.0% |
Which variable was the measured (responding) variable in the experiment? | MC | 
| 81.0% |
What could be done to be sure results are reliable? | MC | 
| 76.7% |
What could be learned about an ecosystem by studying a model? | MC | 
| 79.2% |
Write a conclusion to the experiment. | SA | 
| 0.91 |
|
| Scenario Description |
Item Description |
Item Type ** |
Cognitive Complexity *** |
State Performance + |
| How does a change to an ecosystem affect erosion in the system? | MC | 
| 67.9% |
What is the source of energy for a plant? | MC | 
| 71.3% |
What is the role of an organism in an ecosystem? | MC | 
| 75.4% |
How does an animal population benefit an ecosystem? | MC | 
| 75.7% |
An organism is a subsystem of which system? | MC | 
| 45.4% |
| |
| What problem is trying to be solved? | MC | 
| 42.4% |
Describe two possible causes and solutions to a problem in the system. | SA | 
| 0.99 |
What question could be answered with the given data? | MC | 
| 66.5% |
Which of three objects moved a given distance the fastest? | MC | 
| 84.6% |
What form of energy makes something happen in the system? | CI | 
| 0.44 |
What causes sound to be produced? | MC | 
| 89.4% |