Why is replication important to science?

a. it allows you to obtain a representative sample of cases to study.
b. the natural setting eliminates the artificial environment of a lab.
c. researchers can test the impact of belief on behavior.
d. minimizing preexisting differences between groups increases confidence in findings about a specific theory.
e. repeated research with similar results increases confidence in the reliability of the original findings.

Asocial scientist is interested in determining if there is a significant difference in the proportion of republicans between two areas of town. he takes independent random samples of 200 families in each area of town and a significance test was conducted. the p-value was 0.0156. what should be our conclusions?

How did north carolina’s constitution of 1868 affect women and free blacks? a. they were given the right to vote b. they were excluded from participation in government c. they lost economic power d. they were able to hold office if they owned property

Which of the following will increase a population's growth rate? read the following scenario and answer the question(s) below. population growth is at the root of many serious environmental problems. from the ancient babylonians thousands of years ago, to thomas malthus two centuries ago, to present day neo-malthusians, humans seem to possess an awareness of earth's limitations in the face of growing populations. today, our ability to accurately quantify and monitor population growth is very sophisticated. we can measure growth and make predictions about world growth with mathematical and computer models. despite long-lasting, rapid global population growth that is only recently starting to show signs of slowing, we have thus far been able to avoid global catastrophe. can we continue to avoid disaster? which of the following will increase a population's growth rate? increased urbanization increased industrialization increased immigration decreased immigration increased emigratio