Experimental Design Terms

adjective not able to be identified or perceived as different or distinct

• The two samples were so similar that they appeared indistinguishable under the microscope.
• I can't tell the difference between these two phone models, they look indistinguishable to me.
• Those two new rappers sound indistinguishable, I can't even tell who's who.
• The twins' personalities were so alike, they were practically indistinguishable from each other.

noun A word that represents a person, place, thing, or idea. In this case, 'equation' is a noun that refers to a mathematical expression.

adjective A word that describes or modifies a noun. In this case, 'absolute' is an adjective that describes the type of personal equation being discussed.

• The concept of absolute personal equation in astronomy refers to the individual differences in reaction time when observing celestial events.
• The absolute personal equation in astronomy basically means that everyone has their own unique reaction time when looking at the stars.
• When it comes to absolute personal equation in stargazing, it's all about how quickly you can spot a shooting star.
• In life, each person has their own absolute personal equation when it comes to making decisions under pressure.