​By the time the average child reaches six years of age, he or she will have a vocabulary of approximately ____ words.

​Lev _______________ believed that development is essentially an apprenticeship in which children develop as they work alongside skilled adults, including their parents and teachers.

​Which statement would be the MOST consistent with social cognitive theory?

​Matthew sees that one of his kindergarten classmates is unhappy today because nobody is playing with him. Matthew walks over to his classmate and asks if they can play together, which they do until the teacher calls for music time. Matthew’s actions demonstrate ____ behavior.

​A shortcoming of ____ experiments is that they are conducted in artificial environments, so the findings may not reflect behavior as it occurs in the real world.

​Which of the following ranges represent the possible values of a correlation between two variables?

​Which of the following underlies the process of operant conditioning?

​Which of the following is a relative limitation of the use of an ultrasound?

​Which is the BEST example of overregularization?

​Johnny’s parents have told him that they are going to a 4th of July picnic tonight, and Johnny is afraid of the fireworks that he is going to see and hear. Which of the following would be the best way for Johnny to deal with this fear?