The number of active germs on a surface can be reduced by _____ % if a child sneezes into a tissue instead of in the open or on an arm or shirt.
a. 50–60
b. 60–70
c. 70–80
d. 80–90
d
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It is difficult to keep track of the prevalence of students with ADHD because there is not a separate category for this disability under IDEIA 2004. Children with ADHD are often classified under the ________ category.
A. Emotional and Behavioral Disorders B. Specific Learning Disability C. Other Health Impairment D. Communication Disorders
An instructor determines the number of students looking at Facebook or Twitter pages during five of her lectures. She would use a ______ to illustrate this data because this variable is measured at the ______ scale of measurement.
a. pie graph; interval b. frequency polygon; nominal c. histogram; ratio d. bar chart; ordinal
As a teacher, you have arranged a parent-teacher conference; therefore, you need to prepare for it carefully. Which of the following is NOT a major form of data that is useful in a parent conference?
a. data on all of the ways that information has been communicated to parents during the semester, and what parent response has been b. data on the student's academic work, including grades and work samples c. data on student's behavior and attempts to change the behavior d. data on the student's and parents' feelings about the class and on what would help the student be more successful, both academically and behaviorally
Which of the following best describes the differences between effective and ineffective teachers in elementary schools?
a. Students who had highly effective teachers in 1st and 2nd grades scored higher than students who had ineffective teachers in the same grades, but the differences largely disappeared by the time the students reached 3rd, 4th, and 5th grades. b. Students who had highly effective teachers in 3rd, 4th, and 5th grades scored as much as 50 percentile points higher on standardized math tests than students who had ineffective teachers in the same grades. c. Students taught by highly effective teachers learn to be better readers than students taught by ineffective teachers, but differences in other content areas are minimal. d. The differences between effective and ineffective teachers are slight, because student achievement largely depends on the socioeconomic status of parents.