Tiffany is interested in the effects of different kinds of instructions on exam performance. she asks 60 college freshmen to each study regularly for an upcoming exam, which they will have 1 hour to take. participants are randomly assigned to one of three instruction groups: (1) complete the exam as quickly as possible, (2) complete the multiple choice before the short answers and essays, or (3) complete the short answers and essays before the multiple choice. tiffany averages the scores for each instruction group to examine whether the type of instruction made a difference in students’ test scores. which test should she use?

But on an april morning in 1959, i heard a mother of four, having coffee with four other mothers in a suburban development fifteen miles from new york, say in a tone of quiet desperation, “the problem.” and the others knew, without words, that she was not talking about a problem with her husband, or her children, or her home. suddenly they realized they all shared the same problem, the problem that has no name. which best describes the connotation of the word “desperation”? negative, because the woman is feeling confused negative, because the woman is expressing hopelessness positive, because the woman is expressing herself positive, because the woman and the mothers are in agreement

Immigrants arriving in the united states during the late 1800s experienced many difficulties. which of the following was a problem which large numbers of immigrants faced?

China wants to take control over social media in which other region? question 4 options: taiwan chile japan hong kong