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The children Cedric, Marion, Carlos and Allyson with their mothers participated in the Strange Situation Experiment. Which of these statements indicate a child who was ambivalently attached?  

Keith has the X linked recessive condition that results in build-up of uric acid in the body due to a faulty enzyme. The condition induces a variety of neurological symptoms, facial grimacing, involuntary writhing, and repetitive movements of the arms and legs early in Keith’s life. He began to develop gout, poor muscle control, and in the second year of his life severe self-mutilating behaviors (finger and lip biting). Keith’s caregivers found it necessary to remove some of his teeth and provide him with a mouth guard as well as a helmet for the boy’s protection. The prognosis for Keith is poor, and his biological family no longer comes to the facility to see the boy. Death in this condition is usually due to renal failure in the first or second decade of life. This condition is called?   

Rob is obsessively clean and orderly. He complains bitterly about his roommates who are sloppy and disorganized. He stopped dating, Nancy, because she had a cat and cat hair was on her furniture. He is also very tight with his money. His girl-friends complain that he is stingy.  He is precise about his dress and grooming. His mother states, “I love my son, but he is so obstinate. He is also extremely pedantic and finicky. My present husband tells me that he objects most to Rob’s passive-aggressive behaviors. Freudians would say that Rob has what?    

Nathan, five years old, has grown very curious about all the things around him. He asks his mom, “Why is the sky blue? Why is the grass green? Why does granddaddy have hair on his face?” Nathan is also using his newly emerged reasoning skills. His reasoning skills prompt him to try to understand why things are the way they are. Nathan is in which of Piaget’s stages?  

The amount of time required for each of 100 mice to navigate through a maze was recorded.  The histogram below shows the distribution of times, in seconds, for the 100 mice.   Which of the following values is the best estimate of the standard deviation of the 100 times?

The graph below shows the number of state representatives from each of two political parties after three elections. Which of the following statements is (are) true? In 2014, Party B had twice as many representative as Party A. In 2018, Party A had twice as many representatives as Party B. Party A’s share of the total number of representatives increased steadily from 2014 to 2018.

The contingency table below shows how 223 college students are classified according to Birth Order and College Major. Birth Order TOTAL 1st 2nd 3rd 4th + College Major Math/Science 34 14 6 3 57 Agriculture 52 27 5 9 93 Humanities 15 17 8 3 43 Other 12 11 1 6 30 TOTAL 113 69 20 21 223 Note:  Birth Order = 1st means oldest or only child. Approximately, what percent of Math/Science majors are 1st Born?

A student obtains a raw score of 23 in a moderately skewed (asymmetrical) distribution of test scores with a median of 23.  What would be the student’s score in standard units (z-score)?

Determine the hybridization of the carbons labeled 2 and 6.

How many nonpolar bonds does CH3F contain?