The simplest possible chi-square test is one that compares the observed and expected
frequencies for how many variables or levels of variables?
A) two levels of a single nominal variable
B) one level of a single nominal variable
C) one level each for two nominal variables
D) two levels each for two nominal variables
A
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Infants who weigh less than 2,500 grams (about 5½ pounds) at birth are classified as which of the following?
A. low-birthweight infants B. preterm infants C. small for gestational age D. very low birthweight infants
The observation that children diagnosed with ASD appear obsessed with how things work rather than how people work is an example of what two concepts?
a. obsession with movement; restricted interests b. physical obsession; social obsession c. mechanical savant; social deficits d. folk physics; folk psychology
The ________ is the product of the interaction between the ________ and the environment
a. genotype; phenotype c. phenotype; genotype b. genotype; physiotype d. phenotype; zygotype
A test that has been designed to predict a person's probable future achievements or success is known as a(n) __________ test
a) intelligence b) standardized c) aptitude d) achievement