Answer:
D. IV x PV factorial
Explanation:
The IV x PV factorial is a tyoe of factorial design which tend to include both an experimental independent variable (IV) and a nonexperimental participant variable (PV).
In the case sited the researcher used both IV and PV to get his result.
<h2>Question:</h2>
- Maya ______ were connected by culture political ties, and trade.
<h3>Answer:</h3>
<h2><u>City States</u></h2>
- Maya city states were connected by culture political ties, and trade. However,they often <u>fought</u> each other for <u>control of territory</u>.
- The ancient Maya faced many challenges in the area that they settled, which was called <u>Peten</u>.
- Swamps and sinkholes gave the Maya a year - round <u>source of water</u>. Sinkholes also gave the Maya access to a network of underground <u>rivers and structures.</u>
________
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