ACT Preparation / Unit 21 ACT 2001 short lesson, about 20 seconds
No Single Method
Captions available
The idea
No single scientific method fits every study. What science requires is skepticism: a tentative explanation, then tests of the predictions that follow from it.
In practice
A student who suspects a plant leans toward light can turn the pot and watch for a new lean.
Where people slip
The steps of video 1901 describe a common pattern, not a rule every study must follow.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
- Nothing yet depends on this.
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