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sasho [114]
2 years ago
7

Dr. DeLoss is interested in whether training can improve vision in older adults. He first measured visual acuity (clarity of vis

ion) in a sample of 100 people. He then had a group of 50 participants completed a 15 minute training task once a day for one month. The other 50 people did nothing different in their routine. At the end of the month he had both groups participate in another visual acuity test to measure any changes in vision. Identify the independent and dependent variables.
Social Studies
1 answer:
lianna [129]2 years ago
7 0

Answer:

complete task, visual acuity

Explanation:

The independent variable is a naturally occurring or somewhat random variable that the researcher has no control over

The dependent variable on the other hand is variable that is caused or influenced by the independent variable.

From the above, Dr. Deloss's independent variable is "complete task" and his dependent variable is "visual acuity" since it is influenced by the tasks completed by participants.

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Shereen suffers from high levels of anxiety regarding academics and sports. As a psychology student, you know she can use operan
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Which of these qualify as variable expenses? Check all that apply.
mamaluj [8]

Answer: 2 & 4

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Variable expenses, also called variable costs, are expenses that can change over time. These costs vary depending on your usage of products or services, and they can change depending on any number of factors.

Source: Google Search Engine (First Result)

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I'm not 100% sure about the answer I gave, because it's a really vague case.

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