What can we conclude if we reject the null hypothesis in an independent-samples t-test?
a. It is likely that sampling error accounted for the differences between the sample means.
b. It is likely that the sample means came from the same population.
c. The difference between our sample means is unlikely to be representing zero difference in the population means.
d. The difference between our sample means is merely a poor representation of zero difference in the population means.
c
You might also like to view...
The optic nerves from each eye come together in the brain at the
A) corpus callosum B) thalamus C) hypothalamus D) optic chiasm
If you were raised in a collectivistic culture, how might your friends describe you compared with how you would describe yourself?
A. Your friends would refuse to describe you. B. Your friends would describe you the same way that you would describe yourself. C. Your friends would describe you more negatively than you would describe yourself. D. Your friends would describe you more positively than you would describe yourself.
Your aunt and new baby cousin have come to visit. Little Charlotte is crying and getting more agitated. Why do babies cry? What can your aunt do to calm her?
What will be an ideal response?
Your mother likes to talk to infants by raising the pitch of her voice and exaggerating her intonation. What kind of speech is she using?
A. baby talk B. neuro-stimulating speech C. infant-directed speech D. slow-down speech