Author Question: Researchers try to create groups that, before an experiment begins, are similar with respect to the ... (Read 13 times)

Alygatorr01285 · **on:** Jun 20, 2018

Researchers try to create groups that, before an experiment begins, are similar with respect to the dependent variable. The most common way of achieving this goal is through

a. random assignment
b. double blind studies.
c. the use of control groups.
d. by eliminating demand characteristics.

Question 2

When scientists look for ideas related to their research project they have developed, which of the following is most often the source of their information about current knowledge of the topic?

a. Colleagues in different departments within their own institutions
b. Colleagues in their own department
c. The existing research literature
d. Discussions within their research teams