Every named protocol we could source, graded honestly.

Karen Overall, DACVB — Manual of Clinical Behavioral Medicine for Dogs and Cats

Cadence1-2 (as three or four 5-minute segments, or fewer longer segments) a day, daily preferred (not explicitly capped in source) days a week, max 15-20 min a day.

• SourceKaren Overall, Protocol for Relaxation

Karen Overall, DACVB — Manual of Clinical Behavioral Medicine for Dogs and Cats (Tier 2: Protocol for Desensitization and Counter-Conditioning Using Gradual Departures)

Cadencenot restated in the Tier 2 text (Tier 1's 3-4x5-min / 15-20-min-per-day pattern is implied as continuing, but not explicitly repeated here) a day, not specified days a week.

• SourceKaren Overall, Tier 2: Protocol for Desensitization and Counter-Conditioning Using Gradual Departures

ASPCA

Cadencemultiple per day (not numerically specified by ASPCA); full treatment takes weeks a day, not specified by ASPCA days a week.

• SourceASPCA

VCA Hospitals

Cadencenot specified by VCA a day, not specified by VCA days a week.

• SourceVCA Hospitals

Malena DeMartini (Certified Separation Anxiety Trainer / CSAT founder)

Cadencenot specified in accessible material (CSAT course/books only) a day, not specified in accessible material (CSAT course/books only) days a week.

• SourceMalena DeMartini (Companion Animal Psychology interview)

Julie Naismith (Certified Separation Anxiety Trainer, SubThreshold)

Cadenceat least 1/day a day, ideally 5-7 days a week, max 15-20 min (even this much is described in her FAQ as effective) a day.

• SourceJulie Naismith

Jean Donaldson (Dogs Are From Neptune)

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceJean Donaldson (Dogs Are From Neptune), via Preventive Vet
• SourceJean Donaldson, via Companion Animal Psychology

Leslie McDevitt (Control Unleashed)

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceLeslie McDevitt (Control Unleashed), reconstructed via secondary trainer summaries

Trainer community, in the lineage of Leslie McDevitt's Look At That (Control Unleashed) — not verified as McDevitt's own original wording

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceTrainer community synthesis (preventivevet.com, dognerdly.com, clickertraining.com, caninehighschool.com), in the lineage of Leslie McDevitt

Grisha Stewart (Behavior Adjustment Training 2.0)

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceGrisha Stewart, BAT 2.0 overview page

Leslie McDevitt (Control Unleashed) lineage, via Phoenix Dog Training

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourcePhoenix Dog Training, on Leslie McDevitt's 1-2-3 Pattern Game

Leslie McDevitt (Control Unleashed) lineage, via general trainer synthesis

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceTrainer synthesis on McDevitt's Up-Down Game (fenzidogsportsacademy.com, yourhappydogcoach.ca, roverrehabdogtraining.com)

Leslie McDevitt (Control Unleashed) lineage, via general trainer synthesis

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceTrainer synthesis on McDevitt's Ping-Pong Game (fenzidogsportsacademy.com and related)

Trainer community consensus (no single named authority identified)

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• SourceTrainer-community consensus (search synthesis; no single named authority identified for Find It / scatter feeding specifically)

Trainer community (pethelpful.com) — no single named credentialed authority

Cadencenot specified in sourced material for this method specifically a day, not specified in sourced material for this method specifically days a week.

• Sourcepethelpful.com (HubPages), "Training the Emergency U-Turn For Reactive Dogs"

Muzzle Up! Project (Maureen Backman)

Cadencenot specified — source describes a phase progression, not a sessions/day count a day, not specified days a week.

• SourceMuzzle Up! Project (Maureen Backman), "Muzzle Training"
• SourceMuzzle Up! Project, "Muzzle Training: A Proactive Approach"
• SourceMuzzle Up! Project, "Muzzle Training: Cultivating Calm"

VCA Animal Hospitals / McCann Dog Trainers (head halter conditioning synthesis)

Cadencenot specified in sourced material a day, not specified in sourced material days a week.

• SourceVCA Animal Hospitals, "Head Halter Training for Dogs"
• SourceMcCann Dog Trainers, "Gentle Leader: Helping Your Dog Adjust to a Head Halter"
• SourceAhimsa Dog Training, head collar training synthesis