Loudness is associated with a sound wave's ___________
A) amplitude
B) length
C) pitch
D) timbre
Answer: A
Rationale: The amplitude of a sound wave determines its loudness; high amplitude sound waves are louder than low amplitude waves.
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A split or breakdown in a person's normally integrated consciousness or identity is indicative of a:
A. schizophrenic disorder B. dissociative disorder C. conversion disorder D. depressive disorder
What are modern psychoanalysts often called?
a. ego analysts c. conflict interpreters b. superego interpreters d. unconscious mind analysts
Professor Ahmad is interested in studying the development of motor skills. He collects data from 200 1-year-olds and follows and assesses them for a period of 5 years. What type of research design is Professor Ahmad using?
A. cohort design B. longitudinal design C. behavior genetics design D. cross-sectional design
A researcher selects 10 students from his class of 18 students to participate in a class exercise. Identify the population and sample identified in this example.
What will be an ideal response?