Scientists at R&E Labs Worked for Two Years on a Project

question 157

Multiple Choice

Scientists at R&E Labs worked for two years on a project to eventually add more knowledge to the science of photography. But in a meeting with the board of directors last week, they had nothing new to report. This is always a risk with

• A) basic research.
• B) applied research.
• C) development and implementation.
• D) a lack of research.
• E) underfunded research projects.

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Definitions:

Effect Size

A quantitative measure of the magnitude of a phenomenon, used to indicate the size of an experimental effect.

Independent Variable

The variable that is manipulated or changed in an experiment to see if it has an effect on some other variable.

Type I Error

Incorrectly rejecting a true null hypothesis, also known as a "false positive" in statistical hypothesis testing.

Alpha Level

The threshold of statistical significance in hypothesis testing, often set at 0.05, below which the null hypothesis is rejected.