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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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Which sentence contains a dangling​ modifier? A. Having done well on her​ research, she earned an A on the paper. B. Preparing f
Arlecino [84]

Answer:

<em>B,  Preparing for the​ experiment, several slides were fixed with dye.</em>

Explanation:

<h3>Modifiers</h3>

Modifiers are simple words or phrases used to add emphasis to another word in a sentence. Adjectives and adverbs are used to provide emphasis to nouns and verbs respectively. Clauses and phrases can also be used as modifiers in a sentence. <em>The </em><em>nice </em><em>Child; </em><em> </em>In the example, the adjective shows us that the Child is nice and it is the modifier.

<h3>Dangling Modifiers</h3>

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Preparing for the​ experiment, several slides were fixed with dye  contains a dangling modifier. "Preparing for experiment" is  expressing an action, but the person experimenting is not known.  Since the person performing the experiment is not known the phrase "<em>preparing for the experiment</em>" is considered a dangling modifier because it is not modifying any word in the sentence.

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3 years ago
Janice tends to fret constantly that her work might not be satisfactory or that she might not be able to complete projects on ti
dedylja [7]

Answer:

a. rumination

Explanation:

The options for this question are missing, the options are:

a. rumination.

b. learned helplessness.

c. linkage analysis.

d. explanatory style.

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