Free SAT Command of Evidence (Textual) practice questionsdigital SAT, 2026 format
You are given a claim and asked which finding or quotation would most directly support or weaken it. The skill is matching evidence to the exact claim, not just the topic.
Answer each question, then read why the right answer is right and why the tempting one is wrong.
Question 1
Reading and Writing
Urban trees are usually planted as saplings from nurseries and often die within a decade. Researchers hypothesized that the problem is not the city environment itself but the abrupt transition from nursery conditions — regular watering, rich soil, shelter from wind — to the harsher streetscape. To test this, they compared saplings that had been grown for two seasons in a 'hardening' plot with poor soil and limited water against saplings transplanted directly from the nursery.
Which finding, if true, would most directly support the researchers' hypothesis?
Question 2
Reading and Writing
In 2021 a research team reported that mice given a diet high in a particular fermentable fiber developed more diverse gut microbiomes and showed fewer signs of inflammation than mice on a standard diet. The team concluded that the fiber itself reduced inflammation by promoting microbial diversity.
Which finding, if true, would most directly weaken the team's conclusion?
Question 3
Reading and Writing
In his 1841 essay "Self-Reliance," Ralph Waldo Emerson urges readers to trust their own judgment over the opinions of others. Emerson also argues that a person should feel free to abandon views they held in the past rather than clinging to them simply to appear consistent, and he dismisses the urge to match one's earlier statements as a habit of narrow thinkers. In one of the essay's best-known passages, Emerson writes, ______
Which quotation from "Self-Reliance" most effectively illustrates the claim?
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