Author Question: Alternative explanations in science are also known as A) null hypotheses. B) rival hypotheses. ... (Read 58 times)

go.lag · **on:** Aug 4, 2018

Alternative explanations in science are also known as

A) null hypotheses.
B) rival hypotheses.
C) research hypotheses.
D) extraneous variables.

Question 2

In research on the effects of noise on sleep, a researcher wonders whether disrupted sleep may be due to drinking coffee rather than to living near an airport. What type of hypothesis is this?

A) a confounding variable hypothesis
B) a null hypothesis
C) a research hypothesis
D) a moot hypothesis