Comprehension MCQs

Read the passage and answer the question. At a public opinion poll, the first sign of trouble was that a survey produced precise percentages from a sample that contained very few rural respondents. Instead of relying only on warnings or assumptions, analysts weighted the results and clearly reported the imbalance rather than presenting the figures as automatically representative. Afterward, the adjustment reduced but did not erase concern about who had been missed. The outcome was encouraging but qualified, because weighting cannot fully correct for groups that were barely reached. Taken together, these details support a broader conclusion: statistical precision does not compensate for a sample that poorly represents the population. Which is the best title for the passage?

Read the passage and answer the question. At a public opinion poll, the first sign of trouble was that a survey produced precise percentages from a sample that contained very few rural respondents. Instead of relying only on warnings or assumptions, analysts weighted the results and clearly reported the imbalance rather than presenting the figures as automatically representative. Afterward, the adjustment reduced but did not erase concern about who had been missed. The outcome was encouraging but qualified, because weighting cannot fully correct for groups that were barely reached. Taken together, these details support a broader conclusion: statistical precision does not compensate for a sample that poorly represents the population. What does the word “representative” most nearly mean as used in the passage?

Read the passage and answer the question. At a public opinion poll, the first sign of trouble was that a survey produced precise percentages from a sample that contained very few rural respondents. Instead of relying only on warnings or assumptions, analysts weighted the results and clearly reported the imbalance rather than presenting the figures as automatically representative. Afterward, the adjustment reduced but did not erase concern about who had been missed. The outcome was encouraging but qualified, because weighting cannot fully correct for groups that were barely reached. Taken together, these details support a broader conclusion: statistical precision does not compensate for a sample that poorly represents the population. Which inference is best supported by the passage?

Read the passage and answer the question. At a public opinion poll, the first sign of trouble was that a survey produced precise percentages from a sample that contained very few rural respondents. Instead of relying only on warnings or assumptions, analysts weighted the results and clearly reported the imbalance rather than presenting the figures as automatically representative. Afterward, the adjustment reduced but did not erase concern about who had been missed. The outcome was encouraging but qualified, because weighting cannot fully correct for groups that were barely reached. Taken together, these details support a broader conclusion: statistical precision does not compensate for a sample that poorly represents the population. What action was taken in response to the problem?

Read the passage and answer the question. At a public opinion poll, the first sign of trouble was that a survey produced precise percentages from a sample that contained very few rural respondents. Instead of relying only on warnings or assumptions, analysts weighted the results and clearly reported the imbalance rather than presenting the figures as automatically representative. Afterward, the adjustment reduced but did not erase concern about who had been missed. The outcome was encouraging but qualified, because weighting cannot fully correct for groups that were barely reached. Taken together, these details support a broader conclusion: statistical precision does not compensate for a sample that poorly represents the population. What is the main idea of the passage?

Read the passage and answer the question. A recurring challenge emerged in a biodiversity survey: researchers found fewer species in small samples than in larger ones. The people responsible chose a practical intervention—the team compared sites using equal sampling effort and reported the number of observations alongside species counts. This was followed by an observable improvement: differences between sites became easier to interpret. Still, rare species could still be missed even with equal effort. The contrast between the improvement and the remaining constraint suggests that comparisons are misleading when one place is searched much more thoroughly than another. Which is the best title for the passage?

Read the passage and answer the question. A recurring challenge emerged in a biodiversity survey: researchers found fewer species in small samples than in larger ones. The people responsible chose a practical intervention—the team compared sites using equal sampling effort and reported the number of observations alongside species counts. This was followed by an observable improvement: differences between sites became easier to interpret. Still, rare species could still be missed even with equal effort. The contrast between the improvement and the remaining constraint suggests that comparisons are misleading when one place is searched much more thoroughly than another. What does the word “sampling” most nearly mean as used in the passage?

Read the passage and answer the question. A recurring challenge emerged in a biodiversity survey: researchers found fewer species in small samples than in larger ones. The people responsible chose a practical intervention—the team compared sites using equal sampling effort and reported the number of observations alongside species counts. This was followed by an observable improvement: differences between sites became easier to interpret. Still, rare species could still be missed even with equal effort. The contrast between the improvement and the remaining constraint suggests that comparisons are misleading when one place is searched much more thoroughly than another. Which inference is best supported by the passage?

Read the passage and answer the question. A recurring challenge emerged in a biodiversity survey: researchers found fewer species in small samples than in larger ones. The people responsible chose a practical intervention—the team compared sites using equal sampling effort and reported the number of observations alongside species counts. This was followed by an observable improvement: differences between sites became easier to interpret. Still, rare species could still be missed even with equal effort. The contrast between the improvement and the remaining constraint suggests that comparisons are misleading when one place is searched much more thoroughly than another. What action was taken in response to the problem?

Read the passage and answer the question. A recurring challenge emerged in a biodiversity survey: researchers found fewer species in small samples than in larger ones. The people responsible chose a practical intervention—the team compared sites using equal sampling effort and reported the number of observations alongside species counts. This was followed by an observable improvement: differences between sites became easier to interpret. Still, rare species could still be missed even with equal effort. The contrast between the improvement and the remaining constraint suggests that comparisons are misleading when one place is searched much more thoroughly than another. What is the main idea of the passage?

Read the passage and answer the question. The experience of a psychology experiment shows how practical choices can affect outcomes. Initially, participants guessed the purpose of the study and changed their behaviour. To respond, researchers redesigned instructions so the specific hypothesis was less obvious while preserving informed consent. The result was that responses became less clustered around what participants thought the researchers wanted. Observers also noted an important constraint: complete concealment was neither possible nor ethically appropriate. For that reason, the lesson is not that one measure solves everything, but that study design should reduce demand effects without compromising participants' rights. Which is the best title for the passage?

Read the passage and answer the question. The experience of a psychology experiment shows how practical choices can affect outcomes. Initially, participants guessed the purpose of the study and changed their behaviour. To respond, researchers redesigned instructions so the specific hypothesis was less obvious while preserving informed consent. The result was that responses became less clustered around what participants thought the researchers wanted. Observers also noted an important constraint: complete concealment was neither possible nor ethically appropriate. For that reason, the lesson is not that one measure solves everything, but that study design should reduce demand effects without compromising participants' rights. What does the word “hypothesis” most nearly mean as used in the passage?

Read the passage and answer the question. The experience of a psychology experiment shows how practical choices can affect outcomes. Initially, participants guessed the purpose of the study and changed their behaviour. To respond, researchers redesigned instructions so the specific hypothesis was less obvious while preserving informed consent. The result was that responses became less clustered around what participants thought the researchers wanted. Observers also noted an important constraint: complete concealment was neither possible nor ethically appropriate. For that reason, the lesson is not that one measure solves everything, but that study design should reduce demand effects without compromising participants' rights. Which inference is best supported by the passage?

Read the passage and answer the question. The experience of a psychology experiment shows how practical choices can affect outcomes. Initially, participants guessed the purpose of the study and changed their behaviour. To respond, researchers redesigned instructions so the specific hypothesis was less obvious while preserving informed consent. The result was that responses became less clustered around what participants thought the researchers wanted. Observers also noted an important constraint: complete concealment was neither possible nor ethically appropriate. For that reason, the lesson is not that one measure solves everything, but that study design should reduce demand effects without compromising participants' rights. What action was taken in response to the problem?

Read the passage and answer the question. The experience of a psychology experiment shows how practical choices can affect outcomes. Initially, participants guessed the purpose of the study and changed their behaviour. To respond, researchers redesigned instructions so the specific hypothesis was less obvious while preserving informed consent. The result was that responses became less clustered around what participants thought the researchers wanted. Observers also noted an important constraint: complete concealment was neither possible nor ethically appropriate. For that reason, the lesson is not that one measure solves everything, but that study design should reduce demand effects without compromising participants' rights. What is the main idea of the passage?

Read the passage and answer the question. A climate data project faced a practical problem: a weather station moved from an open field to a growing urban area during a long record. A targeted response followed. Specifically, analysts documented the relocation and compared the series with nearby stations. After the change, they identified a break in the record that could otherwise have been mistaken for a climate trend. However, adjustment methods introduced their own uncertainty. This limitation did not erase the result; instead, it showed why long data series must be interpreted in light of changes in how and where measurements were made. Which is the best title for the passage?

Read the passage and answer the question. A climate data project faced a practical problem: a weather station moved from an open field to a growing urban area during a long record. A targeted response followed. Specifically, analysts documented the relocation and compared the series with nearby stations. After the change, they identified a break in the record that could otherwise have been mistaken for a climate trend. However, adjustment methods introduced their own uncertainty. This limitation did not erase the result; instead, it showed why long data series must be interpreted in light of changes in how and where measurements were made. What does the word “trend” most nearly mean as used in the passage?

Read the passage and answer the question. A climate data project faced a practical problem: a weather station moved from an open field to a growing urban area during a long record. A targeted response followed. Specifically, analysts documented the relocation and compared the series with nearby stations. After the change, they identified a break in the record that could otherwise have been mistaken for a climate trend. However, adjustment methods introduced their own uncertainty. This limitation did not erase the result; instead, it showed why long data series must be interpreted in light of changes in how and where measurements were made. Which inference is best supported by the passage?

Read the passage and answer the question. A climate data project faced a practical problem: a weather station moved from an open field to a growing urban area during a long record. A targeted response followed. Specifically, analysts documented the relocation and compared the series with nearby stations. After the change, they identified a break in the record that could otherwise have been mistaken for a climate trend. However, adjustment methods introduced their own uncertainty. This limitation did not erase the result; instead, it showed why long data series must be interpreted in light of changes in how and where measurements were made. What action was taken in response to the problem?

Read the passage and answer the question. A climate data project faced a practical problem: a weather station moved from an open field to a growing urban area during a long record. A targeted response followed. Specifically, analysts documented the relocation and compared the series with nearby stations. After the change, they identified a break in the record that could otherwise have been mistaken for a climate trend. However, adjustment methods introduced their own uncertainty. This limitation did not erase the result; instead, it showed why long data series must be interpreted in light of changes in how and where measurements were made. What is the main idea of the passage?