Logical Reasoning · Most Strongly Supported

PrepTest 128 · Section 2 · Question 2

Phase 1 (your first ~400 questions): read the guidance, then answer. No clock.

Step 1 · Pre-Question Guidance · read this first

Question type

Inference (Most Strongly Supported)

The one idea it tests

If one change caused a rise in something, then that something can be affected by the thing that changed.

The basic logic

Read the cause and the effect. Pick the answer that says only what the cause link proves, in mild words. Reject answers that claim more reach, more numbers, or an only.

Tiny words that decide it

“spurred”
“easier”
“increasing”

Playground logic

Priya says trading jumped because the swap board made partners easy to find. That is a cause link: ease of finding pushed trading up. So the safe lunchbox answer is that ease of finding can change how much trading happens.

Step 2 · The kid story

The Swap Board Boom

Sticker trading in Ms. Rivera's class went wild this month. Priya explained it at lunch. "It started when Ms. Rivera hung the swap board. Now you just look at the board and see who has the sparkly unicorn you want. Before, you had to ask the whole class." Kevin waved a dinosaur sticker. "So the board means every sticker in the world is findable!" Lulu shook her head and checked her clipboard. "Nope. Priya only said trading grew because finding a partner got easier. That's all that's in the lunchbox." Marcus tried: "So kids who skip the board never trade." "Also not in the lunchbox," said Lulu. Priya smiled. "What we really know is small but solid: how easy it is to find a partner can change how much kids trade."

Step 3 · Try the model question

Priya: Sticker trading in our class has grown a lot. The growth was set off by Ms. Rivera's new swap board, which makes it far easier to find the classmate who has the sticker you want.

Which choice is best backed by what Priya says?

Step 4 · The courtroom tale

The Bakery Line

A bakery owner testified that her line had doubled. "It began when the city put up a big sign at the corner pointing to my shop," she said. Opposing counsel leaped up. "So the sign is the only reason anyone buys bread?" "I didn't say that," she replied. Mr. Whitfield rose. "Your Honor, here is what her words support, and no more. If a sign that made the shop easier to find brought more customers, then how easy a shop is to find can affect how many people come." The judge wrote it down. "Modest, and true to the testimony. Objection overruled."

Step 5 · Work the real question

Open PrepTest 128, Section 2, Question 2 in your official copy from LSAC (for example in LawHub) and read it there.

Your answer

How to apply it

Spot the cause and effect in the speaker's words: something became easier, and demand for it went up because of that. Ask what the cause claim alone guarantees. Then sort the choices: cross off any that add an only, a most, a number comparison, or a new group of people. Keep the choice that simply restates the link between ease and amount in gentle, general terms.