An Example of a Randomized Controlled Experiment Is When

question 2

Multiple Choice

An example of a randomized controlled experiment is when

• A)households receive a tax rebate in one year but not the other.
• B)one U.S. state increases minimum wages and an adjacent state does not, and employment differences are observed.
• C)random variables are controlled for by holding constant other factors.
• D)some 5^th graders in a specific elementary school are allowed to use computers at school while others are not, and their end-of-year performance is compared holding constant other factors.

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Definitions:

Sex Pheremones

Chemical substances secreted by an organism that influence the sexual behavior or physiological state of another organism of the same species.

Sp Hybridized

Describes molecules where carbon atoms are bonded through a linear combination of one s-orbital and one p-orbital, leading to a bond angle of approximately 180 degrees.

Hybrid Atomic Orbitals

Orbitals formed by the mixing of atomic orbitals in an atom, leading to equivalent orbital shapes suited for bonding.

C-C σ Bond

A single bond formed between two carbon atoms due to the overlap of sp3 hybrid orbitals.