One sample with n = 4 scores has a mean of M = 12, and a second sample with n = 6 scores has a mean of M = 8 . If the two samples are combined, what is the mean for the combined set of scores?

Chapter 10 described a study in which participants listened to definitions of concrete nouns, and they were asked to produce the correct noun. The participants were more likely to say the correct noun if

a. their hand movements were restricted. b. their hand movements were unrestricted. c. they were told to pronounce the noun as quickly as possible. d. they were told to pronounce the noun as slowly as possible.

People with an avoidant attachment style often distrust other adults

Indicate whether this statement is true or false.