A researcher who is examining the effects of temperature and humidity on the eating behavior of rats uses a factorial experiment comparing three different temperatures (70?,80?,and 90?)and two humidity conditions (low and high).How many factors are in the experiment?

A)1
B)2
C)3
D)6

b) 2

Explanation:

In research and when we do an experiment, the term experimental factors refer to the conditions that the researcher specifies and set (in other words, the ones the researcher can manipulate). Each of this factors can have different levels but they are the same factor.

In this example the researcher can control the temperature (which has three levels: 70, 80 and 90 degrees) and the humidity conditions (low and high).

Thus, we can see that there are two things the researcher can control (temperature and humidity) and therefore there are 2 factors in this experiment.

B: 2

Explanation:

Experimental factors are very important in a research. They aid the comprehension and interpretation of your data. You can set the experimental factors yourself.

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