What were two main goals of the lewis and clark expedition? a. to learn about american indian military skills and weapons b. to survey the land and gather geographical information c. to set up military outposts that us soldiers could occupy d. to find a continuous water route from the mississippi to the pacific e. to identify fertile areas that farmers from the east could settle

The separation of powers outlined in the constitution divides the federal government into equally important parts. which of the following are among those branches? (select all that apply.)

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

Match the item to the definition: indirect correlation, correlational research, correlational research, covary, pearson correlation coefficient, pearson correlation coefficient, direct correlation a. used to describe the relationship between two or more naturally occurring variables b. determines whether scores on the two variables covary c. whether two variables vary or change together d. denoted by the symbol "r" e. provides information about the sign (direction) and magnitude(strength) of the linear relationship. f. when the correlation is positiveg. when the correlation is negative