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Mrrafil [7]
4 years ago
5

An instructor randomly assigns two sections of his course to an experimental condition (new teaching method) or control conditio

n (regular teaching method). Students in the 9:30 section receive the experimental treatment and students in the 1:30 section participate in the control condition. At the end of the semester the instructor’s tests reveal that students in the 9:30 section had significantly higher test scores than students in the 1:30 section. Based on this summary, we can state that
A. the results are uninterpretable because of intact groups.
B. the findings have external validity across two times of day.
C. the experiment has internal validity.
D. all of these
Social Studies
1 answer:
Leviafan [203]4 years ago
8 0

Answer:

D

Explanation:

All of the answers are true.

Further Explanation:

The groups are differant.

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Andreyy89

Answer: A) Shrinking by about 750,000 per year

Explanation: The population of Russia is Shrinking by about 750,000 per year. This is because of Low birth rates and abnormally high death rates. The overall life expectancy in Russia at birth is 72.4 years (66.9 years for males and 77.6 years for females).

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Rohini tells you that she once thought that the dishwasher hated her and wanted to eat her. In fact, she said that she felt that
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Preoperational

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3 0
3 years ago
What does it mean in the declaration of independence when it says "whenever any form of government becomes destructive of these
pshichka [43]
I think it means “whenever a government becomes unjust or corrupt the people have to right to tweak it,like makes laws and stuff, or end it altogether”.
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3 years ago
Suppose Jamie is really interested in roads. She finds intense pleasure in looking at maps and memorizing every road on it. One
Oduvanchick [21]

Answer:

The correct answer is option A.

Explanation:

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