According to Kagan and colleagues, shy children were more likely toshow all of the
following in a test situation EXCEPT
a. increase in heart rate.
b. greater pupil dilation.
c. greater concentrations of norepinephrine in their urine.
d. greater concentrations ofcortisol in their saliva.
e. more variable EEG's.
e. more variable EEG's.
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If we know that a regression coefficient is statistically significant, we know that
a. it is positive. b. it is not 0.0. c. it is not 1.0. d. it is large.
Tosha is going to have a baby, but she smokes, takes cough syrup, and drinks wine with dinner each night. This behavior is very likely to endanger her baby's development, especially in the embryonic stage because that is a ________ period for development.
A. critical B. neonatal C. organic D. viable
Cross-cultural research shows that __________
A) instruction in Japan, Korea, and Taiwan is less challenging than instruction in the United States B) Japanese, Korean, and Taiwanese parents and teachers regard native ability as key to academic success C) Asian children, influenced by interdependent values, typically view striving to achieve as a moral obligation D) unlike Finland, students in Japan, Korea, and Taiwan do not receive a nationally mandated curriculum
Alternative explanations for the results of a study are called
a. complementary explanations. b. rival hypotheses. c. hypotheses of interest. d. research problems.