Operational definitions allow researchers to:. A. Formulate hypotheses that can be tested during an experiment. B. Avoid the placebo effect in experimental settings. C. Measure the constructs they are interested in. D. Obtain informed consent from participants.

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.

During the period from 1865 to 1898 how did the political/economic elite contain the demands of farmers and laborers for economic justice

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?