which of the following is true of hypotheses of the form all x are y

ATI TEAS 7

Practice TEAS Test Reading

1. Which of the following is true of hypotheses of the form 'All x are y'?

A. Something that is neither x nor y disproves the hypothesis.
B. Something that is both x and y disproves the hypothesis.
C. Something that is x but not y disproves the hypothesis.
D. Something that is y but not x disproves the hypothesis.

Correct answer: D

Rationale: In hypotheses of the form 'All x are y,' the hypothesis is making a claim that all instances of x also fall under y. Therefore, if something is y but not x, it disproves the hypothesis because it contradicts the assertion that all x are y. Choice A is incorrect because something that is neither x nor y doesn't provide evidence against the hypothesis. Choice B is incorrect because if something is both x and y, it actually supports the hypothesis. Choice C is incorrect as something that is x but not y doesn't disprove the hypothesis, as it could still be consistent with the claim that all x are y.

2. Using the guide words degressive and delectation at the top of a dictionary page, which of the following words is most likely to appear on the following page of the dictionary?

A. deleterious
B. dehydrate
C. delay
D. deity

Correct answer: D

Rationale: The guide words degressive and delectation are given, suggesting that the word on the next page would start with 'dei.' In alphabetical order, 'deity' comes after 'delectation' and 'degressive,' making it the most likely word to appear on the following page of the dictionary. Choices A, B, and C do not follow the alphabetical progression based on the guide words provided.

3. First-hand accounts of an event, subject matter, time period, or an individual are referred to as what type of source?

A. Primary sources
B. Secondary sources
C. Direct sources
D. Indirect sources

Correct answer: A

Rationale: First-hand accounts, like the speech by Charles Dickens, are considered primary sources as they provide direct evidence or original data from the event or time period. Primary sources offer firsthand information, such as diaries, speeches, letters, autobiographies, or original research reports. Secondary sources interpret and analyze primary sources, making them one step removed from the original event or period. Direct and indirect sources are not commonly used terms in the context of primary and secondary sources.

4. Which phrase best describes the purpose of nonfiction writing?

A. To inform, entertain, or persuade readers
B. To entertain, then to inform
C. To convince readers they're wrong about the author's subject
D. None of the above

Correct answer: A

Rationale: The correct answer is A: 'To inform, entertain, or persuade readers.' Nonfiction writing aims to provide factual information (inform), engage the audience (entertain), or influence their opinions (persuade). Choice B is incorrect because informing usually takes precedence over entertaining in nonfiction. Choice C is incorrect as the primary goal is not to convince readers they're wrong but rather to present information or arguments. Choice D is incorrect as there are clear purposes for nonfiction writing.

5. If these statements above are factual, which of the following statements must be correct?

A. Outspending other countries on education has benefits beyond standardized tests.
B. The US education system is corrupt and ineffective.
C. The standardized math tests do not accurately reflect American proficiency.
D. Spending more money does not guarantee success on standardized tests.

Correct answer: D

Rationale: Based on the information provided in the extract, it is evident that despite the United States spending a substantial amount on education, it does not translate to top performance in standardized math tests. Countries spending less outperformed the United States, indicating that spending more money does not guarantee success on standardized tests. Choice A is incorrect because the extract does not specify benefits beyond tests. Choice B is incorrect as the extract does not explicitly state that the US education system is corrupt and broken. Choice C is incorrect as the extract talks about the performance on standardized math tests rather than American proficiency in general.