Prior to 1900 there was a high infant mortality rate because physicians knew little about hygiene and how disease spreads
Indicate whether the statement is true or false
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The points on a rating scale will be least ambiguous when they are identified by
a. constant alternatives (never, seldom, often, etc.). b. numbers. c. descriptive phrases. d. trait names.
The standard normal distribution is normally distributed with a mean of ______ and a variance of ______.
A. 0; 1 B. 1; 0 C. any value; any positive value D. any positive value; any value
Which of the following are effective ways to overcome public speaking anxiety? Click all that apply.
A. Assume the audience is familiar with the technical terms you will use. B. Practice, practice, practice. C. Rehearse up until the point you get on stage. D. Begin with an appropriate anecdote or story to draw the audience into what is being said. E. Use relaxation techniques such as deep breathing.
The first transcontinental railroad was completed in 1869, connecting the Atlantic and Pacific Oceans and enabling people and goods to move quickly across the continent. This is best described as an example of innovation's impact on:
A. geography. B. politics. C. the economy. D. distance.