RESEARCH READING GUIDE / 2 MIN READ

Reading the practice of considering an alternative explanation

Deliberately examining an opposing possibility can reveal assumptions that a preferred explanation hides. The aim is a fair comparison of evidence, not automatic rejection of the first conclusion.

THE READING QUESTION

Deliberately examining an opposing possibility can reveal assumptions that a preferred explanation hides. The aim is a fair comparison of evidence, not automatic rejection of the first conclusion.

Identify the corrective strategy

Lord, Lepper, and Preston examine considering the opposite as a strategy for social judgment. The source is useful for thinking about how a deliberate reasoning instruction may counter a one-sided interpretation. Read the specific judgments and comparison conditions. It does not show that every opposing view is equally credible or that a brief reflection questionnaire measures immunity to bias.

A fictional supplier explanation

A fictional project manager, Talia, believes a supplier's late delivery proves poor commitment. She notices every unanswered message and overlooks evidence of a regional transport disruption. A colleague asks her to consider a different possibility: what would she expect to observe if the supplier were committed but facing a genuine logistical problem? The question does not excuse the missed delivery. It changes the evidence search. Talia can ask for shipment records, clarify communication responsibilities, and compare the explanation with the supplier's previous behavior. Accountability becomes more precise when the cause is investigated rather than assumed.

Generate a serious alternative

For this exercise, write the preferred explanation, the strongest plausible alternative, and one observation that would distinguish them. Avoid inventing an absurd opposite that is easy to reject. The alternative should fit the known facts well enough to deserve examination. Then decide what evidence would make you reduce confidence in each explanation. This symmetry matters: a process that demands perfect proof from the alternative while accepting weak clues for the preferred account will not improve judgment. The fictional manager should also consider a mixed explanation, such as genuine transport disruption combined with inadequate communication. Real situations need not fit a single exclusive cause.

Questions for reading the experiment

Ask how the source operationalizes considering the opposite and what comparison instructions participants receive. Which outcomes indicate a change in judgment, and do they show better accuracy or merely a different response? Consider how the task differs from a real decision with time pressure and consequences. For Talia, when is additional investigation worth its cost, and what temporary action is appropriate while uncertainty remains? A useful reading turns a general debiasing idea into a specific evidence check. It does not encourage endless indecision or require treating unsupported claims as equal to well-supported ones simply because they are contrary.

A bounded decision habit

Machiavelli Decision Practices contains original self-report prompts about reasoning habits. It does not certify unbiased judgment or reproduce the source experiment. Talia can use a prompt to practice recording a plausible alternative before making a consequential attribution. The new questionnaire still needs direct research, and actual decisions should remain grounded in relevant evidence, clear responsibilities, and the practical cost of being wrong.

FOLLOW THE ORIGINAL SOURCES

Lord, Lepper, and Preston (1984) ↗

Continue the reading

Evidence appraisal asks what a claim can actually support →

Considering alternatives without manufacturing false balance →

Testing MDP requires both process observations and appropriate outcomes →

Decision Practices research guideAll learning guides