Agard Base
Back to all DLL levels
Investigator Band · INVDLL 8

Investigator Phase - DLL 8

Learners at DLL 8 interpret multi-feature graphs, recognize anomalies, and justify interpretations using both numeric and narrative reasoning. They learn that accuracy without empathy risks distortion, and empathy without accuracy risks confusion. Balance between the two defines true investigation.

Standards version 1.0 · Released 1/1/2025

Standards

DLL 8 Standards (10)

Band: Investigator · Strand coverage: 5

INV.F.8.1

Foundations · F

DOK 3

Learner identifies composite visuals (dual-axis, stacked-line, or multi-panel) and states what each feature represents.

Evidence

Points to elements and names variable pairs, units, and panels correctly.

Global Links

CCSS · 8.SP
ISTE · 1a

INV.F.8.2

Foundations · F

DOK 4

Learner distinguishes between correlation and coincidence.

Evidence

Explains that "two things can rise together but not cause each other."

Global Links

NGSS · SEP Analyzing Data
OECD_LC2030 · (Critical Thinking)

INV.R.8.1

Reading & Interpreting · R

DOK 3-4

Learner interprets dual-line or paired-bar charts to compare related variables over time.

Evidence

Describes aligned or diverging trends accurately.

Global Links

CCSS · 8.SP.B
ISTE · 3a

INV.R.8.2

Reading & Interpreting · R

DOK 4

Learner analyzes clusters and outliers to explain variation.

Evidence

Identifies points that deviate and suggests possible reasons.

Global Links

C3 · D3 (Evidence Analysis)
NGSS · SEP Using Mathematics

INV.C.8.1

Creating & Communicating · C

DOK 4

Learner designs a multi-series visual (e.g., dual-line) that maintains consistent scales and legends.

Evidence

Creates chart where both datasets share proportional axes.

Global Links

ISTE · 6a
UNESCO_MIL · (Visual Integrity)

INV.C.8.2

Creating & Communicating · C

DOK 4

Learner includes contextual notes or captions explaining trends.

Evidence

Adds annotation "Data reflect survey of 100 students, 2025."

Global Links

ISTE · 6b
UNESCO_MIL · (Context Disclosure)

INV.CR.8.1

Critical & Ethical · CR

DOK 4

Learner critiques external reports for incomplete data context or misleading framing.

Evidence

Points out missing denominators or selective time ranges.

Global Links

ISTE · 2a
UNESCO_MIL · Integrity 2.1

INV.CR.8.2

Critical & Ethical · CR

DOK 4

Learner articulates how misrepresentation affects public perception or group equity.

Evidence

Explains "Leaving out smaller schools makes them look unimportant."

Global Links

CASEL · Ethical Decision
OECD_LC2030 · (Equity & Representation)

INV.L.8.1

Leadership & Application · L

DOK 4

Learner facilitates peer review of multi-variable displays for clarity and fairness.

Evidence

Leads checklist discussion correcting mislabeled scales.

Global Links

C3 · D2 (Civic Evaluation)
CASEL · Collaboration

INV.L.8.2

Leadership & Application · L

DOK 4

Learner communicates findings with transparency about data limits and uncertainties.

Evidence

States "These results apply to our sample, not the whole city."

Global Links

ISTE · 7a (Open Communication)
UNESCO_SDG · 4.7

Level Summary

At DLL 8, learners act as ethical interpreters. They recognize complexity, test patterns, and qualify conclusions responsibly—practicing the humility that accompanies evidence. Here, integrity becomes accountability: every explanation carries the duty to represent truth in proportion and in kindness.

DLL 8 | Data Literacy Levels | Chart-Ed Institute