A one-factor, between-subjects ANOVA involves three groups of eight subjects each. The means of the three groups are m1 = 4, m2 = 6, and m3 = 8. Therefore, the value of the contrast defined by the weight vector w = [0, 1, –1] is ______.
a. 2
b. –1
c. 1
d. –2
Ans: D
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The discovery of both a specific biological cause and an effective cure for general paresis
a. has been followed by many more similar successes. b. has not been followed by similar success stories. c. was never achieved despite decades of scientific study. d. was finally achieved just within the past few years.
Research concerning the role of testosterone in aggression has demonstrated that _______
Fill in the blank(s) with the appropriate word(s).
Which statement is supported by research on dominant and recessive diseases?
A) Children who inherit the dominant allele rarely develop the disorder. B) Males are more likely than females to inherit recessive disorders carried on the autosomes. C) Only rarely are serious diseases due to dominant alleles. D) The recessive allele has no effect on the individual’s characteristics.
A behavioral technique in which a person uses positive imagery to reinforce desired behavior is called __________
Fill in the blank with correct word