Lucinda and her eighteen-month-old infant, Giles, participated in a study. There were toys in the research lab, and Lucinda and Giles played together for a while. Then, the researcher asked Lucinda to leave for a few minutes. When she left, Giles noticed, but he did not seem to mind being alone very much. When Lucinda returned, Giles ignored her. Which pattern of attachment does Giles appear to have?

Charon took three cookies from the cookie jar without permission. When his mother noticed the cookies were missing, she asked Charon if he had taken them. Charon told his mother that his sister took the cookies, hoping that his mother would believe his lie even though Charon knew very well that he was the one who took the cookies. Charon has clearly developed which of the following?

Which of the following best describes the progression of how attachment develops?

Which of the following results from a lack of one X chromosome in a girl?

Prudence is thirteen months old. She loves her toys, especially her stuffed monkey. When Prudence wants her stuffed monkey, she gets her dad’s attention, points to the toy bin, and says “muh.” Her father knows exactly what she means, and helps Prudence find her monkey. In this case, “muh” is an example of:

Peter took a toy away from his younger sister while she was playing, which made her cry. His father, Horace, put him in a time-out. Horace explained to Peter that his actions made his sister sad, and that learning to share is important. Which of the following tactics did Horace use?

Ralph’s coworker recently left the company, and his boss assigned Ralph to complete tasks that were his former coworker’s job. Since then, Ralph has felt very overwhelmed. For a while, he dealt with his stress by thinking positive thoughts, such as how his boss must really trust him and how his willingness to do extra work might result in getting a raise. But today, he talked to his boss and told her that he cannot do so much extra work anymore. At first, Ralph used ________________ , but today he used ________________ . 

Merlin is three and a half years old. Lately, his favorite thing to do while playing is use a block as a phone and pretend to talk to his older sister. Merlin is demonstrating an ability for:

In her twenty years of life, Carmen has gone through a lot. Her mother died when she was ten. Then, at age fifteen, she got a serious brain injury from a car accident. Despite all this, Carmen is a happy, well-adjusted young adult with close friends and a good job. Which of the following describes Carmen’s ability to thrive under difficult circumstances?

Dorcas is seventeen years old. All of her friends have jobs, and her parents keep hinting that they would like her to get a job. She is beginning to think seriously about applying for jobs. Through ___________ , Dorcas is learning about what is expected for her age in her culture.