What are we stating if we reject the null hypothesis in an independent samples t-test?
a. The sample mean difference represents no difference between two population µs.
b. The sample mean difference represents a difference between two population µs that is significantly different from zero.
c. The sample mean difference is zero.
d. The difference between the population means is zero.
B
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The nonhuman species that has shown the greatest progress in learning human-type communication is the _____
Fill in the blank(s) with correct word
According to Holland's six personality factors, an individual that enjoys self-expression and being dramatic would fall on the ____ factor
a. realistic b. investigative c. artistic d. social
Freud described _____ as the most basic component of the mind that serves as the source of our bodily needs, wants, and desires.
A) the ego B) the superego C) the id D) consciousness
According to the text, about what percent of U. S. parents spank their children, at least occasionally:
a. 2-3% b. 10% c. 40% d. 80%