Why RC Accuracy Drops In The Second Half Of VARC Explained

VARC

Look at a VARC section split in half and a pattern shows up for a lot of candidates. The first passage or two go well, and accuracy on the later ones is noticeably worse. The passages were not harder in any systematic way, and something is still happening.

Three different mechanisms produce this, they need different fixes, and candidates almost always assume the wrong one. This piece separates them, shows how to tell which is yours from your own data, and gives the specific correction for each. The diagnosis matters more than the remedy here, because working on the wrong mechanism costs weeks.

Three Different Things Called the Same Thing

All three produce the same symptom in a report. They need a pacing fix, a conditioning fix and a selection fix respectively, and none of those helps with the other two.

The First Mechanism: You Changed How You Read

This is the most common and the most fixable, and it is not about ability at all.

By the second half of a section the clock is visibly tighter. The response is to speed up, and speeding up in reading means dropping the structural tracking first: you stop noticing who holds which claim, stop registering hedges and scope terms, and start reading for the gist.

The gist is enough to feel like comprehension and not enough to answer, because options differ on attribution, force and scope. So accuracy falls while the reading feels similar, which is exactly the experience candidates report.

How to Recognise It

The signature is specific. Your time per passage falls in the second half while accuracy falls with it, and the questions you lose are the inference, tone and purpose ones rather than the detail ones.

That combination points at reading mode rather than at fatigue, because a tired reader gets slower rather than faster. A reader who has sped up is making a choice under pressure, even if it does not feel like one.

The Fix Is Selection, Not Speed

Since the cause is time pressure, the fix is to have more time rather than to use it faster.

Most of the recoverable minutes are not in reading rate. They are in the passage you should not have attempted, the re-reading of a paragraph that did not land, and the deliberation between two options. Fixing any of those buys more than reading faster ever does.

The largest is the first. A passage is a fixed reading cost attached to a cluster of questions, so attempting one that resists you means paying full price for a poor return. A first-paragraph assessment, done properly on every passage, frequently saves four minutes and removes the pressure that caused the mode switch.

The Second Mechanism: Sustained Attention

This one is real and it is a conditioning problem rather than a reading problem.

Comprehension is a continuous internal process and it degrades across a long paper. A candidate who has been reading densely for twenty-five minutes is genuinely worse at holding an argument than they were at minute five, and no amount of willpower changes that within a section.

What changes it is having practised sustained attention. Mocks taken in one sitting, with hard 40 minute sectional limits and no pauses, train the endurance that the section runs on. Mocks taken in comfortable pieces across an evening train the reading and never train the endurance.

Signature in your data	Mechanism	Fix
Time per passage falls, accuracy falls	Reading mode changed under pressure	Selection, to buy back the minutes
Time per passage rises, accuracy falls	Attention decay	Conditioned full-length mocks
Accuracy falls only on your later picks	Selection order	Nothing, this is expected
Falls in mocks too, and in section three	Whole-paper stamina	More full sittings across months
No consistent pattern across mocks	Ordinary variance	Nothing, spend the time elsewhere

The Third Mechanism Is Not a Problem

Worth naming because candidates diagnose a drop that is actually correct behaviour.

If you sweep the passages and take the most tractable ones first, your later attempts are by construction the harder ones. Accuracy falling across the section is then the expected result of good selection rather than evidence of decay.

The way to check is to look at accuracy against the order you chose rather than against the order they appeared. If your fourth pick performed worse than your first pick, and your fourth pick was the passage you assessed as hardest, nothing is wrong.

Diagnosing Which One Is Yours

Four conditioned mocks and three columns settle it.

Record, per passage: the order you attempted it in, the time you spent, and your accuracy on its questions. Then look at how time and accuracy move together across the section. Falling time with falling accuracy is the mode switch. Rising time with falling accuracy is attention decay. Accuracy tracking your own difficulty ranking is selection working as intended.

Most candidates find one mechanism dominating rather than a mixture, which is good news because the fix is then narrow. And a substantial number find the third, meaning nothing needs fixing at all.

A Reset Between Passages

One small habit helps regardless of which mechanism is yours, and it costs a few seconds.

Between passages, stop for a moment before starting the next one. Note that the previous set is closed, and consciously restart the method: first paragraph at normal pace, state the position, label each paragraph by what it did.

That deliberate restart is what prevents the drift, because the mode switch is gradual and invisible. Naming the method at the start of each passage makes its absence noticeable, which is most of what you need.

A Fourth Possibility Worth Ruling Out

There is one more explanation that is neither decay nor pressure, and it is easy to miss because it looks like both.

Verbal ability questions are mixed into the section, and where they fall relative to your passages changes the picture. A candidate who does the jumbles and summaries late may show a second-half accuracy drop that is really a weakness in those question types rather than anything about reading at all.

Separating them takes one extra column: record accuracy on reading comprehension questions and on verbal ability questions separately rather than as a single section figure. If the drop lives entirely in the verbal ability questions, the problem is a question type rather than a trajectory, and the fix is targeted practice in that type.

This matters because the two diagnoses lead to completely different months. A candidate who concludes their reading degrades across a section will take more conditioned mocks, which is reasonable and will not help if the real issue is that they are weak at para summary and happen to do it last.

Guard the Accuracy Specifically

One reason to take this seriously rather than accepting a weaker second half.

A correct answer is plus three and an incorrect MCQ is minus one, so the gap between right and wrong is four marks. A drop in accuracy across a cluster of questions in the second half costs considerably more than the same number of questions left unattempted, since blanks score zero rather than negative.

That means a candidate whose second-half accuracy collapses would frequently have scored better attempting fewer passages carefully. Type In The Answer questions carry no penalty, which softens this in places, and the general point stands: accuracy is worth protecting even at the cost of volume.

Should You Reorder the Section

A tempting response to all this is to change what you do first, and it is worth thinking through rather than adopting.

The argument goes that if accuracy falls later, you should put the questions you are best at last so the decline lands on your strengths. That reasoning is backwards. If accuracy genuinely declines across the section, you want your highest-value work happening while you are sharpest, not saved for the point where it will be executed worst.

The better use of the finding is to shorten the decline rather than to arrange around it. Buying back minutes through selection means less time pressure late, and conditioning means less decay. Both attack the cause, while reordering accepts the cause and shuffles the consequences.

There is one reordering worth making, and it is small. If your verbal ability questions are consistently rushed at the end, doing a couple of them early is reasonable, because they are short, self-contained, and do not lose much to being interleaved. That is different from restructuring the whole section around a decline you could instead reduce.

The Summary

Three mechanisms produce a second-half accuracy drop and they need different fixes. Time pressure makes you read faster and drop the structural tracking, which shows as falling time with falling accuracy. Attention decay makes the same reading produce less, which shows as rising time with falling accuracy. And taking the tractable passages first makes the later ones genuinely harder, which is not a problem at all.

Diagnose from your own logs across four conditioned mocks, recording attempt order, time per passage and accuracy. Most candidates find one mechanism dominating, and a good number find the third, which needs no fixing.

For the mode switch, buy back minutes through selection rather than reading faster, since the passage you should not have attempted is the largest saving available. For attention decay, take mocks in one sitting with sectional limits enforced. And reset deliberately between passages, because the drift is gradual and naming the method is what makes its absence visible.

If you have been working on concentration, that is the least likely of the three causes and the hardest to act on. A CAT preparation strategy review will separate the mechanisms from your data, and a personalised CAT preparation plan targets the one that is actually yours.