Educators Are Interested in the Variables That Affect Academic Achievement

question 27

Multiple Choice

Educators are interested in the variables that affect academic achievement.Which of the following variables would require an ex post facto research design to assess its effect?

• A) Number of siblings in the home
• B) One-parent vs.two-parent home
• C) Parent(s) educational background
• D) Aptitude for academic work
• E) All of these are true.

---

Definitions:

λmax

The wavelength at which a substance exhibits maximum absorbance, often used in spectroscopy to characterize compounds.

UV Spectrum

The part of the electromagnetic spectrum that encompasses ultraviolet light, used in studying molecular structures and chemical properties.

1,5-hexadiene

A linear diene compound with six carbon atoms and two double bonds located at the 1st and 5th carbon atoms.

π Transition

A type of electronic transition in molecules involving the excitation of an electron in a pi (π) bond to a higher energy state.