Which of these newborns represents the clearest example of a premature birth?
a. Sal, who has PKU
b. David, who weighs under 5 pounds
c. Barbara, who is 20 inches long
d. Eve, who was born after 40 weeks of gestation
Answer: b.
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George is supposed to give a presentation in his History class on Thursday, and has been dreading it intensely all month (his knowledge of the topic is shaky, and so is his presentation style). On Wednesday, the day before the presentation is scheduled, George's teacher, Ms. Torres, tells him that he can present the following week if he likes. Instead of taking Ms. Torres up on this offer,
however, George says that he will go ahead and present the next day. Why? a. George must have coped with his nervousness and dread by changing some relevant attitudes and beliefs. b. George must have heard Ms. Torres incorrectly because of his anxiety; otherwise, he would obviously have postponed the presentation. c. George must have coped with his nervousness and dread by simply blocking the presentation out of his mind completely and not thinking about it. d. George must have low self-esteem; otherwise, he would have postponed the presentation.
Mr. Lumberg often coordinates his employee’s assignments by giving them specific tasks and continuously reminding them of his expectations for each assignment. From this, you can assume that Mr. Lumberg is a ____ leader.?
a. ?intrinsically-directed b. ?extrinsically-directed c. ?relationship-motivated d. ?task-motivated
The central point behind the three strange stories that begin Chapter 3 (e.g., the story about the beginner's golf shot) is that:
A) most laypeople have no appreciation of concepts like reliability and validity B) single observations cannot be studied scientifically C) almost all individual measurements include components of error or luck D) reliability and validity are not the same thing
If X is independent of Y, the safest Y pred., given information about X, is the mean of the Y distribution
Indicate whether the statement is true or false