The overall shape of the human limbic system resembles

In plain English, what does the F-ratio tell us?

a. Out of two variables, which one is affecting the outcome more significantly b. Where on the normal distribution the difference between two means falls c. How large the differences between groups are when you take into account the differences within the individual groups d. How many standard deviations from the mean your sample is

In the first month, infants may smile

a. while asleep. b. when asleep and when softly touched — serving as social smiles. c. while asleep and when softly touched — reflexive responses to bodily states. d. when they see another person. .