中国大学MOOC: In designing an experiment, blocking is used
举一反三
- In designing an experiment, blocking is used A: to reduce variation B: to control the level of the experiment C: as a first step in randomization D: None of the above
- 中国大学MOOC: A major objective in designing new ceramics is to overcome
- 中国大学MOOC:"The success of this experiment is crucial to the project as a whole. ";
- 中国大学MOOC: The controlled experiment is to eliminate the need to ________ anything.
- 中国大学MOOC: When designing pronunciation activities, teachers should ______first.