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lys-0071 [83]
3 years ago
14

​Dr. Fowler is interested in studying how indoor lighting can influence people's moods during the winter. A sample of 100 househ

olds is selected. Fifty of the homes are randomly assigned to the bright-light condition where Dr. Fowler replaces all the lights with 100-watt bulbs. In the other 50 houses, all the lights are changed to 60-watt bulbs. After two months, Dr. Fowler measures the level of depression for the people living in the houses. In this study, the independent variable is the ____.
Social Studies
1 answer:
egoroff_w [7]3 years ago
6 0

Answer:

The correct answer is : The lights

Explanation:

It is the one that is changed or controlled in a scientific experiment to test the effects on the dependent variable. It is also believed that it affects it. It is the one that you,  will manipulate to see if it makes the dependent variable change.  It represents the cause or reason for an outcome.

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Hey There!

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Hope This Helps :)
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Kinda important I need good reasons for why we need nap time during school ​
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