It happens when a number of students in the upper and lower group who answer the test correctly are equal the item cannot distinguished the students who performed in the overall test and the students whose performance are very poor.

Humphreys collecting data for the tearoom trade study under the pretense that he was a lookout is an example of a violation of the principle of: a. justice.b. beneficence.c. respect for persons.

What impact does geography have on where people live in brazil?

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work