______ are the procedures the researcher used to determine if the difference between sample means is large enough to rule out sampling error as an explanation for the difference.
A. Probability tests
B. Significance tests
C. Conversion tests
D. Hypotheses tests
Ans: B
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A major reason for conducting correlational studies is to
a. establish cause-and-effect relationships among variables. b. determine the effectiveness of various instructional methods. c. identify variables that have a substantial relationship with certain dependent variables.
Sam makes the following error: 18 – 3 = 21. His problem is an error in
a. the wrong process. b. computation facts. c. place value. d. working from left to right. e. not lining up the problem.
Answer the following statement(s) true (T) or false (F)
1. Scaffolding is an ineffective practice because students become over-reliant on the teacher’s help and support. 2. Teaching students to vary their language use according to their purpose and audience is a culturally insensitive behavior. 3. Communicating effectively with students’ family members is one way to convey your commitment to student success. 4. Educational beliefs and priorities can vary widely within and across classrooms, schools, districts, and states. 5. Students’ behavior in the classroom can be affected by circumstances that are completely separate from the school experience.
?"The defendant should be acquitted insofar as the evidence is weak and the witnesses are unreliable." Which of the following claims represents the conclusion of this argument?
A. ?The defendant should be acquitted. B. ?The evidence is weak. C. ?The witnesses are unreliable.