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Anit [1.1K]
3 years ago
8

If we choose participants in such a way that our groups are not equal before the experiment, we have which of the following thre

ats to internal validity?
A. Selection
B. History
C. Testing
D. Maturation
Social Studies
1 answer:
BigorU [14]3 years ago
4 0

Answer:

A

Explanation:

Since your selection was poor, that is what is threatening the final results.

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Ivanshal [37]

Factors that contributed to the decline of the Roman Empire were:

Incompetent rulers placed huge tax burdens on the Roman citizens.

Rome could not grow enough food and maintain a large enough army to fend off barbarian tribes.

Explanation:

Rome was  the center of the antiquity for ages as it was the biggest empire in the world but in the end of it it had become too big for proper management from the seat at Rome

By the time it was ending it had been in a continuous struggle against the barbaric tribes up north that had been weakening thee hold of Rome on the area.

It had become too big to sustain itself and the profits from the agriculture of the empire were just not enough.

5 0
3 years ago
Stacey believes that she will be successful on her diet because she is in control of what happens to her. according to a cogniti
adoni [48]
A strong since of personal expectations and beliefs.
4 0
3 years ago
This city was a major power in Mesopotamia for nearly 5000 years. A ur B Memphis C thames D Alexandria
Pavel [41]

Answer:

A. Uruk

Explanation:

At one point in time (around 2900 BC), Uruk was regarded as the Largest City in the world. This city was located near Euphrates River, which made it easy for the agricultural sector in the city to flourish.  

The river also enable the people in the city to freely travel to distribute various types of goods to other territory. This made the city able to accumulate a lot of wealth. At the peak of its power, this city had around  80,000 population (which a lot for early societies in that era)

7 0
3 years ago
Compare and contrast colonial, economic, and socio-cultural imperialism. What do these terms mean? What do they have in common?
baherus [9]

<u>Colonial:</u> Colonialism is a type of policy where control by one power or nation over another country as well as dependent area. Generally, the aim is related to economic dominant of colonized country

<u>Socio-cultural imperialism:</u> Socio-cultural imperialism related to culture. They imposed their culture to non- dominance country through economically or politically.  

<u>Economic imperialism: </u>A situation where dominating country has lots of economic power over non-dominance country or area.

<u>Similarities: </u>These all are affected non-dominance country. Colonialism and imperialism both means domination in political and economic over other country or area.

<u>Difference: </u>The major difference is colonialism means complete control over the other country but imperialism means formally or informally control over other country

7 0
3 years ago
Rachel presents with the following symptoms: excessive worry, constantly feeling "tense," and sleep disturbances. She further re
jarptica [38.1K]

The correct answer is Symptom Checklist 90–Revised, Beck Anxiety Inventory, and Substance Abuse Subtle Screening Inventory .

In this case she needs a large battery of exams, also related to anxiety and checking all other bodily factors.

5 0
3 years ago
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