Delivering BI Outcomes: From Requirements to Dashboards and Decision Support

Capítulo 10

Estimated reading time: 9 minutes

+ Exercise

BI Delivery as a Workflow: Turning Questions into Decision Support

Delivering BI outcomes means converting a business question into a set of artifacts that reliably support a decision: a metric definition, a dataset (or semantic model view), a visualization, and a feedback loop that confirms the result is understood and used. Treat this as a workflow with explicit checkpoints; this prevents “pretty dashboards” that don’t change actions.

Workflow Overview (What You Produce at Each Step)

StepMain outputCommon failure to avoid
1) RequirementsDecision statement, audience, cadence, success criteriaBuilding for “general visibility” with no decision owner
2) Metrics & dimensionsMetric spec + dimensional breakdowns + time window rulesAmbiguous definitions and inconsistent time periods
3) Visual encodingsWireframe + chart choices + filter behaviorToo many KPIs, unclear filters, misleading charts
4) ValidationStakeholder sign-off + interpretation checksStakeholders “like it” but interpret it differently
5) ReleasePublished dashboard + checklist completedUnmaintainable dashboards with undocumented logic

Step 1 — Requirement Gathering: Decision, Audience, Cadence

Start by clarifying the decision the BI artifact must support. A dashboard is not the requirement; it is one possible output. The requirement is a decision and the information needed to make it.

1A) Capture the Decision Statement

Use a simple template to force specificity:

  • Decision: What action will be taken based on this?
  • Decision owner: Who is accountable for acting?
  • Trigger: What threshold or pattern prompts action?
  • Time horizon: Daily operational vs weekly tactical vs monthly strategic.

Example

  • Decision: “Increase staffing for Support if backlog risk exceeds threshold.”
  • Owner: Support Ops Manager
  • Trigger: “If backlog > 2 days for 3 consecutive days, add coverage.”
  • Time horizon: Daily

1B) Define Audience and Consumption Context

Different audiences need different levels of detail and explanation. Document:

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  • Primary audience: decision-makers (need summary + exceptions)
  • Secondary audience: operators/analysts (need drill-down + diagnostics)
  • Where it’s used: meeting screen, mobile, embedded in an app, emailed snapshot
  • Data literacy: what terms need definitions on the page

1C) Set Cadence and Latency Expectations

Cadence determines the appropriate time windows, comparisons, and performance expectations.

  • Refresh cadence: hourly/daily/weekly/monthly
  • Acceptable latency: “data is complete by 9am local time”
  • Backfill behavior: whether historical values can change (e.g., late-arriving events)

1D) Define Success Criteria (How You’ll Know It Works)

Make success measurable to avoid endless iteration without clarity.

  • Adoption: “Used in weekly ops review by all region leads.”
  • Decision impact: “Backlog breaches reduced by 20%.”
  • Time saved: “Manual spreadsheet prep eliminated.”
  • Interpretation: “Users can correctly answer 5 key questions from the dashboard.”

Step 2 — Define Metrics and Dimensions (So the Dashboard Has Meaning)

Once the decision is clear, define the metrics (what you measure) and dimensions (how you slice it) in a way that prevents misinterpretation. This step is where many BI efforts fail: the chart is correct, but the metric is not consistently understood.

2A) Write Metric Specifications (Metric “Contracts”)

For each KPI, create a short spec that can be referenced from the dashboard.

FieldWhat to specifyExample
NameBusiness-friendly, unambiguous“Net Revenue”
DefinitionPlain language meaning“Revenue after refunds and discounts”
FormulaCalculation logicsum(order_total - discounts - refunds)
Inclusions/ExclusionsEdge casesExclude test orders; include partial refunds
Time windowWhat period it representsDaily by order date; shown as last 28 complete days
FreshnessWhen it’s “final”Finalized T+1 at 09:00
OwnerWho approves changesFinance Analytics Lead

2B) Standardize Time Windows and “Complete Periods”

Inconsistent time periods are a top cause of stakeholder distrust. Decide and document:

  • Timezone: UTC vs local business timezone
  • Period completeness: show “last 7 complete days” vs “last 7 days including today”
  • Calendar logic: fiscal months/quarters if applicable
  • Rolling windows: 7/28/90-day rolling averages for volatility control

Practical rule: If the dashboard is used in a morning meeting, default to “complete days” to avoid partial-day dips that look like problems.

2C) Choose Dimensions That Match the Decision

Dimensions should help answer “where is the problem/opportunity?” and “who should act?” Avoid adding dimensions just because they exist.

  • Actionable breakdowns: region, product line, channel, team, customer segment
  • Diagnostic breakdowns: device type, acquisition source, ticket category
  • Stability: prefer dimensions with consistent definitions over time

Example mapping

  • Decision: “Where do we need more Support coverage?”
  • Primary dimensions: queue, region, priority, ticket category
  • Secondary dimensions: customer tier, language, channel

2D) Define Comparison Baselines (So Numbers Have Context)

A KPI without a baseline forces users to guess whether it’s good or bad. Pick baselines aligned to cadence:

  • Day-over-day for operational monitoring
  • Week-over-week for weekly cycles
  • Year-over-year for seasonal businesses
  • Target vs actual when goals exist

Document which baseline is the default and when users should switch.

Step 3 — Select Visual Encodings and Interaction Design

Visualization is not decoration; it is an encoding choice that affects comprehension. Choose charts based on the question type and ensure filters and interactions are predictable.

3A) Match Question Types to Chart Types

QuestionBest-fit visualsAvoid
Trend over timeLine chart, area chart (careful), sparklinesPie charts, stacked areas with many series
Compare categoriesBar chart (sorted), dot plot3D bars, unsorted bars
Part-to-wholeStacked bar (few segments), waterfallPie with many slices
DistributionHistogram, box plotAverage-only summaries
RelationshipScatter plot with trend lineDual-axis charts without clear scaling

3B) Use Visual Hierarchy: From Summary to Detail

Structure the dashboard so the user can answer, in order:

  • What’s happening? (top-level KPIs and trends)
  • Where is it happening? (breakdowns by key dimensions)
  • Why might it be happening? (diagnostic views, distributions, segments)
  • What should I do? (thresholds, alerts, links to playbooks)

3C) Design Filters That Are Understandable and Safe

Filters are powerful but can easily create confusion. Make filter behavior explicit:

  • Default state: show what the dashboard represents when no filters are touched (e.g., “All regions”)
  • Scope: clarify whether a filter applies to the whole page or a single visual
  • Dependencies: if selecting a product limits available regions, show that relationship
  • Reset: provide a clear way to return to defaults

Practical tip: If a filter can change the meaning of a KPI (e.g., switching currency, including/excluding refunds), label it as a “definition filter” and place it near the KPI.

3D) Ensure Interpretability: Labels, Units, Time Windows

Interpretability is the difference between “looks right” and “is understood the same way by everyone.” Build these into the design:

  • Explicit units: $, %, count, minutes, per user, per order
  • Time window labels: “Last 28 complete days” rather than “Last 28 days”
  • Denominator clarity: conversion rate should show numerator/denominator in tooltip or help text
  • Rounding rules: avoid rounding that changes decisions (e.g., 0.4% vs 0%)
  • Color meaning: consistent use of red/green and accessible contrast; avoid relying on color alone

3E) Wireframe Before You Build

Create a quick wireframe (even in a slide or whiteboard) to validate layout and logic before implementation.

  • Top row: 3–5 KPIs with trend indicators and baseline comparisons
  • Middle: 2–3 core breakdowns that map to owners (e.g., by region/team)
  • Bottom: diagnostics and drill-down table for investigation

Attach the wireframe to the requirement doc so stakeholders can confirm intent early.

Avoiding Dashboard Anti-Patterns (What Breaks Trust and Adoption)

Anti-Pattern 1: Too Many KPIs

Symptom: a “KPI wall” where nothing stands out and users don’t know what matters.

Fix: limit top-level KPIs to what directly supports the decision. If you need many metrics, group them into sections (e.g., Growth, Efficiency, Quality) and make one the primary “north star” for the page.

Anti-Pattern 2: Unclear Filters and Hidden Context

Symptom: users screenshot numbers without realizing filters were applied; meetings devolve into “what did you select?”

Fix: show active filters prominently; include a “current context” line such as: Region: All | Channel: Paid + Organic | Window: Last 28 complete days.

Anti-Pattern 3: Inconsistent Time Periods Across Visuals

Symptom: one chart shows month-to-date, another shows last 30 days, KPIs use different cutoffs.

Fix: standardize a default time window for the page and only deviate when necessary—then label the deviation directly on the visual (not only in a tooltip).

Anti-Pattern 4: Mixing Definitions Without Warning

Symptom: “Revenue” in one tile includes tax; another excludes it; or “Active Users” changes by team.

Fix: reference the metric definition source from the dashboard and provide a short “definition” tooltip or info panel for each KPI.

Anti-Pattern 5: Misleading Visual Encodings

Symptom: dual-axis charts that imply correlation, truncated axes that exaggerate changes, stacked charts that obscure comparisons.

Fix: prefer simple, comparable scales; start bar charts at zero; use small multiples instead of stacking many series.

Step 4 — Validate with Stakeholders (Understanding, Not Just Approval)

Validation is not “does this look right?” It is “will two different stakeholders interpret this the same way and take the intended action?”

4A) Run an Interpretation Test

In a review session, ask stakeholders to answer specific questions using only the dashboard:

  • “What is the current value and window for KPI X?”
  • “Compared to what baseline?”
  • “Is this good or bad, and why?”
  • “What would you do if it crosses the threshold?”

If answers differ, the issue is usually labeling, time window clarity, or hidden filters—not the data.

4B) Validate Edge Cases and Slices That Matter

Stakeholders often care about specific segments (top customers, a region, a product line). Validate those explicitly:

  • Check known “anchor points” (e.g., last month’s reported revenue)
  • Test extreme filters (small segments, new products, rare categories)
  • Confirm how missing data is displayed (zeros vs nulls vs “insufficient data”)

4C) Confirm Operational Fit

Ensure the artifact fits the cadence and meeting flow:

  • Does it load fast enough for live use?
  • Is the default view the one used most often?
  • Are drill-down paths aligned with how investigations happen?

Release Checklist (Publish with Maintainability in Mind)

Use this checklist before releasing or updating a dashboard so it remains trustworthy and maintainable.

  • Metric definitions referenced: Each KPI links to (or embeds) its definition, formula, inclusions/exclusions, and time window rules.
  • Time windows consistent: Default window is clearly labeled; any deviations are explicitly called out on the relevant visuals.
  • Labels and units verified: Every axis, tile, and tooltip includes units; rounding and formatting are consistent.
  • Comparison baselines set: Default baseline (WoW, MoM, YoY, target) is shown and explained where needed.
  • Filter behavior documented: Active filters are visible; filter scope is clear; reset-to-default is available.
  • Permissions validated: Correct access for intended audiences; sensitive fields are protected; row-level restrictions behave as expected for sample users.
  • Performance tested: Dashboard loads within agreed thresholds; heavy visuals optimized; default queries are efficient.
  • Stakeholder validation completed: Interpretation test passed; decision owner confirms it supports the intended action.
  • Documentation updated: Dashboard purpose, owners, refresh cadence, known limitations, and change log are recorded so future updates are safe.

Now answer the exercise about the content:

Which set of deliverables best represents the workflow for turning a business question into reliable decision support in BI?

You are right! Congratulations, now go to the next page

You missed! Try again.

The BI workflow should move from clear decision requirements to metric/dimension definitions, then visualization design, interpretation-focused validation, and a release checklist that supports maintainability and trust.

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