Top-20 Concept Drill Sheet (highest-recurrence knowledge primitives)

Drill these until you can answer any of the question forms they generate (definition, recognition, distinction, scenario diagnosis, best response, process...).

#	Concept	Unique Qs	Indep. sources	Current-format Qs	Generation breadth (1-10)
1	earned_value	13	9	2	8
2	procurement_strategy_selection	9	9	5	8
3	linear_vs_iterative	11	7	7	9
4	risk_vs_issue	9	7	5	8
5	stakeholder_analysis	7	7	5	8
6	integrated_pmp	7	7	3	6
7	governance_principles	6	7	3	8
8	resource_allocation	8	6	5	6
9	requirements_prioritisation	6	6	5	8
10	functional_vs_matrix	4	6	3	6
11	risk_process_steps	7	5	5	7
12	conflict_sources_and_modes	6	5	3	8
13	change_control_stages	6	5	4	8
14	leadership_styles	5	5	2	7
15	quality_planning_qc_vs_qa	5	5	3	7
16	ethics_cpd_conduct	5	5	4	7
17	project_vs_bau	4	5	1	6
18	context_tools_pestle_swot_vuca	4	5	2	7
19	benefits_process	4	5	2	6
20	config_management	3	5	1	6

Full list: recurring_concepts.csv · recurrence evidence: question_recurrence_report.md

How to drill

For each concept, write out: the definition (APM wording), the process/order (if any), the distinctions (if any), and 2-3 scenario applications.
Generate one question per form the concept supports (breadth = how many forms) and answer it under timing.
Cross-check your answers against 06_answer_key/answer_key.csv and the official material in 07_sources_and_trust/.