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den301095 [7]
3 years ago
12

A high school teacher conducted a test of a new approach to teaching math. Students were given a pretest when their math class b

egan and a posttest at the end of the semester. The students' math performance improved. The teacher learned near the end of the semester, however, that in their science classes the students were using new computer software that included much of the math the teacher covered in his course. What threats to internal validity does the new computer software represent?
Computers and Technology
1 answer:
MakcuM [25]3 years ago
5 0

Answer:

It represents a threat of instrument change.

Explanation:

Internal validity is a method to determine if research has been performed properly. It is based on the number of confounding variables present in the experiment. If an experiment is carried out and confounding variables are avoided, the internal validity is high, and viceversa. In an ideal context, the experiment's internal validity will be high, which will mean its results will be trustworthy.

The students, by making use of a computer software, lowered the validity of the test performed by the teacher.

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Answer:

The correct answer is

Working with technology companies to offer computing devices at discounted prices to individuals with reduced incomes

Explanation:

As per the question, state government is trying to reduce the digital divide which primarily exists because low income people do not have access to the digital devices. Hence, any step taken to help the low income people to get the digital device will be the best strategy of government to reduce the digital divide.

Thus, the correct answer is Working with technology companies to offer computing devices at discounted prices to individuals with reduced incomes

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