The ratio of boys to girls for ADHD is
A. about equal, or 1:1.
B. approximately 2 boys to every 1 girl.
C. approximately 3 boys to every 1 girl.
D. more than 10 boys to every 1 girl.
Answer: C
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According to the text, the most important component of an experiment for giving us confidence that our results are meaningful is
a. random sampling. b. random assignment. c. summation notation. d. the manipulation of the dependent variable.
When the neuronal membrane is at rest, the potassium channels ____
a. permit potassium ions to pass quickly and easily b. permit potassium ions to pass slowly c. prohibit any movement of potassium ions d. help to open up the sodium channels
The principle that typical human babies in the world will develop similar basic brain functions is known as ______
a. experience-expectant brain functions b. experience-dependent brain functions c. plasticity d. lateralization
What type of decisions are specialists in educational settings making when they use the results of psychological tests to ensure students are registered for the most appropriate math course?
A. grading B. diagnostic C. placement D. program and curriculum