An observed difference between two descriptive statistics that is unlikely to have occurred by chance represents:
a. hypothesis testing.
b. statistical significance.
c. a Type II error.
d. a Type I error.
b
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Dr. Cummins publishes an article describing a man who abused alcohol for 25 years before becoming abstinent after having a religious conversion experience. This article illustrates a ____
a. nomothetic study c. case study b. field study d. single-participant experiment
Actual cessation of breathing followed by waking and gasping for air is characteristic of a. insomnia
b. somnambulism. c. nocturnal enuresis. d. apnea.
IQ tests best predict what Binet had originally intended because
a. they assess the processes by which people acquire information over a lifetime. b. they predict intelligence later in life. c. many of them measure abilities that are a part of most children's school routines. d. most of them can account for the influence that education has on intelligence.
Nine-year-old Nina realizes that since 3+5= 8, then 8-3=5. Nina understands the concept of reversibility
Indicate whether the statement is true or false