Answer the following statement(s) true (T) or false (F)
Obtaining existing data can be more economical than selecting samples in that it can save time and money.
Ans: T
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In an introductory science class, 80 student volunteers were randomly assigned, in equal number, to take a class for a letter grade or for a simple pass/fail grade. At the end of the semester, the mean achievement score for the letter grade group was 86.2 and for the pass/fail group 79.8. The calculated t = 4.60, p<.001. The results should appear in a published report as follows:
a. Introductory science students have significantly higher achievement scores when awarded letter grades rather than a simple pass/fail grade. b. There is no significant difference in the achievement scores of introductory science students when awarded letter grades or a simple pass/fail grade. c. Students are more motivated to achieve when given letter grades rather than simple pass/fail grades. d. Instructors should use letter grades rather than pass/fail grades for introductory science courses. e. a and d
Technological equity refers to:?
a. ?requiring schools to provide all students with the proper technological equipment. b. ?making sure males and females have equal access to technological equipment. c. ?making sure all students have equitable and appropriate opportunities to succeed in mathematics with respect to technology. d. ?requiring everyone to have technological equipment at home before making assignments that require that equipment.
An activity that promotes learning and development through contributing to the betterment of others and the outside community is called:
a. service learning. b. distributed learning. c. project based learning. d. distance learning.
When literature searches show that previous researchers disagree, your job is to study the evidence each side brings to the table and to draw conclusions about:
a. How to avoid such conflicts. b. What is and is not correct. c. A new topic that will avoid such problems. d. Whether you should abandon your research.