Questions from Praxis Practice Test with correct answers

Which of the following statements is not true about single-subject designs? A. The A phase is the treatment phase. B. They are useful in establishing treatment efficacy. C. The multiple-baseline design avoids the disadvantage of treatment withdrawal. D. A disadvantage of single-subject designs is that they cannot efficiently predict the behavior of groups of individuals. CORRECT ANSWER A. The A phase is the treatment phase. The source-filter theory of speech production states that: A. the larynx filters the sound before the sound travels through the vocal tract. B. the resonating cavities of speech are the source of speech production. C. the oral cavity is the source of all English sounds. D. the laryngeally produced sound is modified by the resonating cavities. CORRECT ANSWER D. the laryngeally produced sound is modified by the resonating cavities. The back-and-forth movement of particles when that movement is symmetrical and periodic is called A. an aperiodic wave. B. a sinusoidal wave. C. rarefaction. D. simple harmonic motion. CORRECT ANSWER D. simple harmonic motion.