In past decades, many researchers have operated as if there is a separation between the child's ________ development and ________ development
a. cognitive; physical c. physical; cognitive
b. social; cognitive d. emotional; physical
B
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Tonya is interested is assessing the degree of relationship between class rank and how many hours students volunteer for community service each week. Tonya should use the _____ correlation coefficient to assess this relationship
a. Spearman rank-order b. point-biserial c. phi d. Pearson product-moment
Fred, Barney, George, and Bart are ten years old, and each suffers from a different sleep disorder. Fred occasionally shifts suddenly during the day from a normal waking state into several minutes of sleep, during which time he has very little muscle tone and is effectively immobile. Barney walks in his sleep (but does nothing else), while George sometimes moves to act out his dreams. Bart has
nightmares (but not sleep terror disorder). Who is least likely to be in the REM stage of sleep when he exhibits his symptoms? a. ?Fred b. ?Barney c. ?George d. ?Bart
One characteristic of random sampling with replacement is that it ____
a. allows for the same individual to be selected more than once b. allows the probabilities to vary from one selection to the next c. ensures that the probability of individual selection increases as selection progresses d. can be used even if the entire population is unknown
Tyrone is participating in an experiment in which he has to find the objects the researcher names. The three objects on the table are an apple, a balloon, and a garlic press. Tyrone has never seen a garlic press before. When the researcher asks Tyrone to find the "glipka," Tyrone points to the garlic press because ________
a. children are fascinated with shiny objects b. children tend to ignore words they do not know and pick up the object that interests them the most c. children tend to attach novel words to unfamiliar objects d. children are very imaginative and are aware that objects can have more than one name