Explanation:
The Magic number 7 (plus or minus two) provides evidence for the capacity of short term memory. Most adults can store between 5 and 9 items in their short-term memory. This idea was put forward by Miller (1956) and he called it the magic number 7.
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Answer:
Well it depends on the person but she could easily be influenced by all of these so if I were you I would select them ALL
Explanation:
I’m pretty sure they included more than one independent variable.
1.Washing Your Hands
2. Use a thermometer to make sure the food is cooked.
3. Use disinfect to clean area
4.Have Hair covered to avoid getting hair in food
Hopefully this helps!!