A scientist was interested in the success of a newly developed sleep aid called ‘Night Owl’ on time taken to fall asleep and quality of sleep. She recruited 30 participants who were randomly allocated to receive either a dose of Night Owl or a placebo. The scientist measured the mean time taken for each participant to fall asleep (minutes) and the quality of their sleep (measured on a scale of 1 (poorest quality) to 10 (best possible quality)) over the course of one week.
What can the scientist conclude from the output below?
A. The type of drug taken had a significant effect on sleep.
B. The type of drug taken had a significant effect on both quality of sleep and time taken to get to sleep.
C. The type of drug taken had a small but significant effect on sleep.
D. Taking Night Owl resulted in less time taken to fall asleep and a significantly better quality of sleep than the placebo.
Answer: A
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Fill in the blank(s) with the appropriate word(s).
Science should appeal to young adolescents since:
a. they like a textbook approach whereby they will know exactly what is to be learned and mastered. b. middle school science is usually only a review of science studied in the elementary school. c. it basically requires only memorization rather than any type of active participation. d. their psychosocial development allows for more collaboration on projects and experiments and their cognitive development allows for higher-order thinking and the testing of hypotheses.
What is the primary purpose of the Individuals with Disabilities Education Act (IDEA)?
A) It ensures that all public schools comply with building codes that make them accessible to students with physical disabilities. B) It provides funding for grants to schools that demonstrate excellence in their special education programs. C) It declares that schools have a responsibility to educate all students about the civil rights of people who have disabilities. D) It guarantees development-enhancing educational programs and services for students who have disabilities.
The performance evaluation system
a. Should be linked to pay increases b. Should not be linked to pay increases c. Should be managed separate from the compensation system d. Has nothing to do with employee pay