If the Researcher Can Show That the Experimental or Treatment

question 26

Multiple Choice

If the researcher can show that the experimental or treatment variable actually produced the differences observed in the dependent variable,then the experiment can be said to be which of the following?

• A)internally valid
• B)extraneously valid
• C)externally valid
• D)laboratory valid
• E)none of the above

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Definitions:

Third Energy Level

The third energy level in an atom is the third shell that surrounds the nucleus, where electrons can be found.

Protons

Positively charged particles found within atomic nuclei that, along with neutrons, define the atomic mass.

Electrons

Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical bonds and electricity.

Hydrogen Bonds

Weak bonds that form between a hydrogen atom in one molecule and a more electronegative atom, such as oxygen or nitrogen, in another, playing critical roles in the structure of DNA and proteins.