Answer:
experimental
Explanation:
Experimental design: In research methods, the experimental design is referred to as a specific way of designing an experiment by a researcher to get valid as well as objective results. It refers to a collection of various research designs that is responsible for using controlled testing and the manipulation procedure to get knowledge of the causal processes. In most of the experimental design, one or more than one variables are being manipulated to know its effect on the dependent variable.
In the question above, the given statement signifies the use of the experimental design.
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Based off of this score, his mental age would be age 9.
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SuperHelperThingy
I beleive the answer is: <span> c. the contributions of heredity and environment interact with each other
the heredity factors that could influence antisocial behavior refers to things such as hormonal imbalance. While environmental factors that could influence it refers to things such as broken family, the economic condition of the neighborhood that we grow up, education,etc.
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They created the earliest known writing system, know as cuniform.