. A researcher has calculated the 95% confidence interval. What does that mean?
a. The process she used captures the true population statistic 95% of the time in the long run
b. She can be “95% confident” that her interval will include the population parameter
c. She can be “5% confident” that her interval will includes the population parameter
d. She can reject the null hypothesis.
Ans: b
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Guided reading is effective when:
a. tutors carefully read texts and plan ways to engage and challenge tutees. b. teachers and tutors use a variety of questioning techniques. c. tutors use think-alouds. d. all the above.
Activities such as story mapping, webbing, and KWL are most likely to help students develop __________
a. fluency b. sight word recognition c. comprehension d. confidence
Students with learning disabilities have reported more loneliness and lower peer acceptance than their peers whose school achievement is in the average range
Indicate whether the statement is true or false.
A researcher is interested in the possible effect of teacher–student ratios on students' learning. She finds 10 fifth-grade classrooms with 30–40 students per class and 10 others with 15–25 students per class. She discovers that there is a correlation between class size and student achievement. Which one of the following conclusions can we draw from this study?
a. Class size can help us predict school achievement.
b. Classes should be as large as is reasonably possible.
c. Classes should be as small as is reasonably possible.
d. The researcher has conducted a descriptive study.