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R0020/2026-03-25/Q004 — ACH Matrix

Matrix

H1: Significant gap exists H2: No significant gap H3: Narrowing but still significant
SRC01-E01: Six myths debunked by academic evidence ++ -- +
SRC01-E02: Continuous optimization vs set-and-forget ++ -- +
SRC02-E01: Four theory-practice disconnects ++ -- +
SRC03-E01: Casual vs production-level distinction ++ -- +

Legend: - ++ Strongly supports - + Supports - -- Strongly contradicts - - Contradicts - N/A Not applicable to this hypothesis

Diagnosticity Analysis

Most Diagnostic Evidence

Evidence ID Why Diagnostic
SRC01-E01 Six specific, evidence-based rebuttals of popular advice is the most discriminating evidence. It simultaneously supports H1 (gap is significant) and eliminates H2 (gap doesn't exist).
SRC01-E02 Continuous optimization vs set-and-forget discriminates between H1 (the gap includes temporal dynamics) and H3 (narrowing would include maintenance guidance).

Least Diagnostic Evidence

Evidence ID Why Non-Diagnostic
SRC03-E01 The casual vs production-level distinction supports both H1 (gap is wide) and H3 (some guides are improving).

Outcome

Hypothesis supported: H1 — A significant gap exists between published guidance and practical prompt development. The gap is characterized by wrong advice (actively counterproductive popular techniques), missing advice (maintenance, testing, automation), and scope mismatch (casual vs production-level).

Hypotheses eliminated: H2 — Every source confirms the gap's existence and significance.

Hypotheses inconclusive: H3 — There are signs of improvement (more sophisticated guides, meta-analyses reaching wider audiences) but the fundamental gap persists across the most important dimensions.