Adolescents often have difficulty controlling their emotions and making sound decisions about risky behavior. brain research suggests that this is due to the fact that during adolescence . the amygdala is developed earlier than the prefrontal cortexb. the prefrontal cortex is developed earlier than the amygdalac. growth in the hippocampus is haltedd. the corpus callosum becomes severed

Match the item to the definition: indirect correlation, correlational research, correlational research, covary, pearson correlation coefficient, pearson correlation coefficient, direct correlation a. used to describe the relationship between two or more naturally occurring variables b. determines whether scores on the two variables covary c. whether two variables vary or change together d. denoted by the symbol "r" e. provides information about the sign (direction) and magnitude(strength) of the linear relationship. f. when the correlation is positiveg. when the correlation is negative