1. Why might scientists repeat a

study under slightly different

circumstances than the

original?

a. to form a research question

b. to study changes over time

c. to confirm the hypothesis

d. to create the right conditions

Researchers endeavoring to conduct an on-line study shouldconsider that there are some potential risks of harm tosubjects unique to Internet-based research.

Sally is the manager of Grubb It, a fast-food outlet. She is looking out for trends or events that could turn out to be a problem for the outlet in the future.

The men (and they were almost all men) who answered the Pope's call to take back the Holy Land were called Crusaders. From which parts of Europe did most of these Crusaders come from?

A government relies on elected officials to make important decisions. Once every two years, citizens are able to vote for leaders to serve as their representatives in a national legislature.

The Reverend Thomas Malthus was extremely important to the development of the theory of evolution by means of natural selection. What was his greatest contribution to the development of this theory?

What amendment granted women voting rights

Lydia applied for the salesperson examination in January 2014. She sat for the exam three times in 2014 and four times in 2015. Each time, Lydia did not receive a passing score. How many times may Lydia sit through the examination in 2016?

On what day United States attacked at Pearl Harbor

Which of the following decisions made by European powers led to the conflict in post-colonial Africa?

What is inflation?