12. In a study of the relationship between aggression1 and television viewing in nursery school children, many interesting interactions among family styles, aggression, and television viewing were found. High aggression occurred in both high-viewing and low-viewing children and this seemed to be related to parental2 lifestyle. High-achieving. competitive, middle-class parents, whose children did not watch much television had more aggressive children than parents who planned their lives in an organized, child-centered way, which included larger amounts of television viewing.
Which one of the following conclusions is best supported by the passage?
Low levels of television viewing often lead to high levels of aggression among children.
The level of aggression of a child cannot be predicted from levels of television viewing alone.
If high-achieving. competitive parents were more child-centered, their children would be less aggressive
High levels of television viewing can explain high levels of aggression among children only when the parents are not child-centered.
Parental lifestyle is less important than the amount of television viewing in determining the aggressiveness of children.
13. One of the effects of lead poisoning is an inflammation of the optic nerve, which causes those who have it to see bright haloes around light sources. In order to produce the striking yellow effects in his Sunflowers paintings, Van Gogh used Naples yellow, a pigment3 containing lead. Since in his later paintings, Van Gogh painted bright haloes around the stars and sun, it is likely that he was suffering from lead poisoning caused by ingesting the pigments4 he used.
Which one of the following is an assumption on which the argument relies?
In Van Gogh s later paintings he painted some things as he saw them.
Van Gogh continued to use paints containing lead after having painted the Sunflowers paintings,.
Van Gogh did not have symptoms of lead poisoning aside from seeing bright haloes around light sources.
The paints Van Gogh used in the Sunflowers paintings had no toxic5 ingredients other than lead.
The effects of Naples yellow could not have been achieved using other pigments.
Questions 14-15
Politician: The mandatory6 jail sentences that became law two years ago for certain crimes have enhanced the integrity of our system of justice, for no longer are there two kinds of justice, the kind dispensed7 by lenient8 judges and the kind dispensed by severe ones.
Pulic advocate: But with judges stripped of discretionary powers, there can be no leniency9 even where it would be appropriate. So juries now sometimes acquit10 a given defendant11 solely12 beacuse the jurors feel that the mandatory sentence would be too harsh. Those juries, then, do not return an accurate verdict on the defendant s guilt13. This is why it is imperative14 that the legislation instituting mandatory jail sentences be repealed15.
14. The public advocate responds to the politician s argument by doing which one of the following?
trying to show that the politician s conclusion merely paraphrases16 the politician s evidence
claiming that the politician s evidence, properly analyzed17, has no bearing on the conclusion the politician derives18 from it.
arguing that leniency is not a trait of inpiduals but that, rather, it is a property of certain kinds of decisions.
arguing that an analysis of the consequences of certain legislation undermines the politician s conclusion
charging that the politician exaggerated the severity of a problem in order to justify19 a sweeping20 solution
15. Which one of the following principles, if valid21, provides the politician with the strongest basis for countering the public advocate s argument?
Juries should always consider whether the sum of the evidence leaves any reasonable doube concerning the defendant s guilt, and in all cases in which it does, they should acquit the defendant
A system of justice should clearly define what the specific actions are that judges are to perform within the system.
Asystem of justice should not require any legal expertise22 on the part of the people selected to serve on juries.
Changes in a system of justice in response to some undesirable23 feature of the system should be made as soon as possible once that feature has been recognized as undesirable.
Changes in a system of justice that produce undesirable consequences should be reversed only if it is not feasible to ameliorate those undesirable consequences through furhter modification24.
16. Researchers studying artificial sweeteners have long claimed that the perception of sweetness is determined25 by the activation26 of a single type of receptor on the tongue, called a sweetness receptor. They have also claimed that any given inpidual molecule27 of substance can activate28 at most one sweetness receptor and that the fewer molecules29 that are required to activate a receptor, the sweeter that substance will be perceived to be, Now the researchers claim to have discovered a substance of which only one molectule is needed to activate any sweetness receptor.
Which one of the following conclusions is most strongly supported by the researchers claims, if all of those claims are true?
The more sweetness receptors a person has on his or her tongue, the more likely it is that that person will find sweet sensations pleasurable
In sufficient quantity. the molecules of any substance can activate a sweetness receptor
No substance will be found that is perceived to be sweeter than the substance the researchers have discovered.
A substance that does not activate a sweetness receptor will activate a taste receptor of another type.
The more molecules of a substance that are required to activate a single sweetness receptor. the more bitter that substance will be perceived to be.
17. An editorial in the Grandbury Daily Herald30 claims that Grandburg s voters would generally welcome the defeat of the political party now in control of the Grandburg City Council. The editorial bases its claim on a recent survey that found that 59 percent of Grandburg s registered voters think that the party will definitely be out of power after next year s city council elections.
Which one of the following is a principle that, if established, would provide the strongest justification31 for the editorial s conclusion?
The way voters feel about a political party at a given time can reasonably be considered a reliable indicator32 of the way they will continue to feel about that party, barring unforeseeable political developments.
The results of surveys that gauge33 current voter sentiment toward a given political party can legitimately34 be used as the basis for making claims about the likely future prospects35 of that political party.
An increase in ill-feeling toward a political party that is in power can reasonably be expected to result in a corresponding increase in support for rival political parties.
The proportion of voters who expect a given political possibility to be realized can legitimately be assumed to approximate the proportion of voters who are in favor of that possibility being realized.
It can reasonably be assumed that registered voters who respond to a survey regarding the outcome of a future election will exercise their right to vote in that election
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