Tommy's mother works two jobs and experiences high levels of stress. Therefore, she often responds inconsistently to Tommy's needs making it difficult for Tommy to know whether or not she will respond when he needs something. It is likely that Tommy will develop which of the following styles of attachment:

One possible theoretical explanation for the negative correlation between education and the rate of Alzheimer's disease in nuns is that

a. education increases "brain work," which in turn increases the density of synaptic connections in the cortex. b. going to college is also correlated with a family's social economic status, which may be the real cause. c. nuns who are educated rise in the church hierarchy, and therefore, lead less stressful lives. d. the nuns are aware of how the brain functions.

Correlations indicate that there is a connection between two variables, but they cannot indicate the reason for the connection

Indicate whether this statement is true or false.