Lincoln-Douglas and World Schools (WSDC) are both one-on-one or small-team formats with long speech times and a focus on sophisticated argumentation. But they come from different traditions — LD from US high school competition, WSDC from international team competition — and they differ significantly in structure, culture, and what skills they emphasize.
| Feature | Lincoln-Douglas (LD) | World Schools (WSDC) |
|---|---|---|
| Debaters per round | 2 (individual) | 6 (two teams of three) |
| Speech length | 3–7 min | 8 min (main), 4 min (reply) |
| Total speeches | 7 | 8 |
| Prep time | 4 min per debater | None in-round |
| Cross-examination | Yes (3 min periods) | No (POIs instead) |
| POIs | No | Yes (minutes 1–7) |
| Reply speeches | No (2AR is last speech) | Yes (4 min each) |
| Topic style | Values & philosophy | Mixed (prepared + impromptu) |
LD uses dedicated cross-examination periods — 3 minutes after each constructive where the opposing debater asks questions. WSDC replaces cross-examination entirely with Points of Information offered during speeches. This creates a fundamentally different dynamic: in WSDC, the speaker must manage interruptions in real time while continuing to develop their argument, rather than pausing for a dedicated question period.
LD is a completely individual format — one debater per side. WSDC uses teams of three, each giving one main speech plus potentially the reply speech. This means WSDC requires team coordination, role division, and consistent messaging across three speakers — a collaborative skill set that LD does not develop.
LD gives each debater 4 minutes of prep time to use across the round. WSDC has no in-round prep at all. This means WSDC debaters must transition between speeches without any preparation time — the next speaker must have their material ready before the round starts. This places higher demands on pre-round preparation and adaptability.
WSDC includes reply speeches — 4-minute biased summaries of the round delivered by the 1st or 2nd speaker (not the 3rd). These are a distinct skill requiring the speaker to step back from line-by-line argument and present a narrative of why their team won. LD has no equivalent — the 2AR is the final speech but is a rebuttal, not a reply.
LD prep pool, WSDC automatic POI signal, two-device sync. No signup.