The long bundle of neurons that carries messages between the body and the brain and is responsible for very fast, lifesaving reflexes is called the __________.

A correlation coefficient represents two things: __________ and __________.

Dexter conducted a naturalistic observation as a project for a psychology class. He observed the interactions of parents and children at a restaurant. Many of the people he observed seemed to notice him. When Dexter described his work to his teacher, she suggested he find out more about the __________ effect.

The thick band of neurons that connects the right and left cerebral hemispheres is called the __________.

In the 1970s, a 13-year-old girl was found locked up in a room, strapped to a potty chair. Since she had grown up in a world without human speech, researchers studied “Genie’s” ability to acquire words, grammar, and pronunciation. This type of research is called a __________.

__________ is an experiment in which participants do not know if they are in the experimental or the control group, but the experimenters do know which participants are part of which group.

A correlation coefficient shows that smoking and life expectancy are indeed related. As a result, a researcher could predict that __________ if the direction of the relationship is known.

Aisha’s physician refers her to a medical center in order to have the biochemical activity in her brain analyzed. She is given an injection of a radioactive glucose-like substance and then is told to lie down with her head in a scanner. The technique being used is __________.

A researcher is investigating the effects of exercise on weight. What are the independent and dependent variables in this experiment?

A correlation coefficient shows that alcohol consumption and driving accidents are indeed related. As a result, a researcher could predict that the number of __________ if the direction of the relationship is known.