InteractiveAccessibility issuesPublished

lalonde

By Alexis Diamond · Statistics · causal inference · Undergraduate · Computational / statistical · version 1

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Licence: CC BY 4.0

Topicscausal inferenceobservational vs experimental estimatesregression adjustmentselection biasprogram evaluation

Assumption ledger

No assumptions recorded yet.

Breakout check

Not checked yet.

Built-in checks 5 of 5 pass

  • RCT no-predictor OLS equals difference in means (passes)
  • RCT estimates stay within 300 of benchmark for every subset (passes)
  • No CPS-1 subset reaches the benchmark (passes)
  • Every CI contains its estimate and matches R's confint text (passes)
  • 512 fits per group (passes)

Accessibility issues (WCAG 2.1 AA)

  • seriousElements must meet minimum color contrast ratio thresholds(3 elements)How to fix
    <span>Experimental benchmark (difference in means)</span>

    Fix any of the following: Element has insufficient color contrast of 2.18 (foreground color: #a0a4a6, background color: #f1efe9, font size: 10.1pt (13.5px), font weight: normal). Expected contrast ratio of 4.5:1

    <b class="bench" id="bench">$1,794</b>

    Fix any of the following: Element has insufficient color contrast of 2.31 (foreground color: #d18f71, background color: #f1efe9, font size: 17.4pt (23.2px), font weight: normal). Expected contrast ratio of 4.5:1

    <div class="ci benchci" id="benchCI">95% CI [$474, $3,115]</div>

    Fix any of the following: Element has insufficient color contrast of 2.31 (foreground color: #d18f71, background color: #f1efe9, font size: 10.9pt (14.5px), font weight: normal). Expected contrast ratio of 4.5:1

  • seriousScrollable region must have keyboard access(1 element)How to fix
    <pre id="call" aria-label="R code"><span class="kw">nsw</span> &lt;- read.csv("nsw_dw.csv") # 185 treated + 260 experimental controls fit &lt;- <span class="kw">lm</span>(re78 ~ treat, data =

    Fix any of the following: Element should have focusable content Element should be focusable

Cite this

Alexis Diamond (2026). lalonde [Interactive model], version 1. Ideas at Play. https://ideasatplay.org/play/lalonde-43379b?v=1 (CC BY 4.0)

History

  1. v1Imported; lineage before import is not available. (imported, Oct 14, 2026)current

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