The p value is not sufficient for indicating the importance of the outcome of a study. The reason for this is because
a. p values are too small.
b. the size of the study affects the p value.
c. the magnitude of the test statistic must also be known.
d. effect sizes are related to p values.
b
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In the study by Radtke and colleagues (2011), what was different about the children of mothers who experienced intimate partner violence during pregnancy as compared with children whose mothers did not experience intimate partner violence?
a. They showed DNA methylation of the gene associated with cortisol, the stress hormone. b. They were more likely to engage in aggressive behaviors. c. There were no differences, demonstrating the resilience of the human body to stress. d. They were more likely to be diagnosed with a mental disorder.
Internal organs are to ___as movement of the body is to___
a. smooth muscles; rough muscles b. smooth muscles; skeletal muscles c. striated muscles; skeletal muscles d. organic muscles; skeletal muscles
In the United States in the 1990s, the average hospital stay for a normal birth was _____ days, in large part, because of insurance companies
a) 2.0 b) 4.5 c) 3.9 d) 5.0
What are involuntary, seemingly inexplicable fears that are out of proportion to reality?
a) phobias b) obsessions c) compulsions d) anticipatory anxiety