Statistics: Simple &Statistics: Simple &EssentialEssential

Kathy Kathy DeBoerDeBoer, Executive Director, Executive DirectorAmerican Volleyball Coaches AssociationAmerican Volleyball Coaches Association

March 5, 2010March 5, 2010

Iowa’s NumbersIowa’s Numbers

What is the most popular team sport for girls inWhat is the most popular team sport for girls inthe state?the state?14552 = 40% higher than softball14552 = 40% higher than softballAVCA & IowaAVCA & Iowa

Why Keep Stats?Why Keep Stats?

Make you a Better CoachMake you a Better CoachObjective decision-makingObjective decision-makingPractice PlanningPractice PlanningParents??Parents??

Raise the Profile of yourRaise the Profile of yourProgram/AthletesProgram/Athletes

MediaMediaAwardsAwards

Assist in the Development ofAssist in the Development ofVolleyballVolleyball

Promote understanding of thePromote understanding of thegamegameMainstream our sportMainstream our sport

Statistical LanguageStatistical Language

What Sport and What is it?What Sport and What is it?ERAERARBIRBIYards per CarryYards per CarryPassing EfficiencyPassing EfficiencyAssist to Turnover RatioAssist to Turnover RatioPoints per GamePoints per GameRebounds per GameRebounds per GameShots on GoalShots on GoalPenalty kicksPenalty kicksPlaying ShorthandedPlaying ShorthandedSlugging PercentageSlugging Percentage

Volleyball – What is it?Volleyball – What is it?Hitting PercentageHitting PercentageKill PercentageKill PercentageBlocks per SetBlocks per SetAces per SetAces per SetAssistsAssistsDigsDigsPoints per RotationPoints per RotationSide-out RatioSide-out RatioOppositeOppositeO1 – M2O1 – M2RotationsRotationsMatchupsMatchups

Start SimpleStart Simple

Four ways to score pointsFour ways to score pointsKillKillService AceService AceTerminating BlockTerminating BlockOpponent ErrorOpponent Error

Getting StartedGetting Started

//Whistle -BallWhistle -BallHandlingHandling

////

Blocker in the netBlocker in the net

//////Serve ErrServe Err////////

Block Assist PointsBlock Assist Points 1/2 1/2

1111 1 14 1 141199TotalsTotals7 Kim-L7 Kim-L6 Kylie6 Kylie

1 1//5 Sam5 Sam

1 1//4 Chris4 Chris

/ 3 / 3////3 3 MoniqueMonique

/ 2.5 / 2.5////2 Kate2 Kate

Out or into theOut or into thenet Attack Errnet Attack Err

/ 4.5 / 4.5////////1 Sue1 Sue

Opponent ErrorOpponent Error!!((Attack, Serve, Block,Attack, Serve, Block,Ball HandleBall Handle))

BlockBlock

SoloSolo!!ServingServing

AceAce!!Kills!Kills!To the floor orTo the floor oroff the blockoff the block

PlayerPlayer

Expanded StatsExpanded Stats

Points = kills + serves aces + block solos + ½ block assistsPoints = kills + serves aces + block solos + ½ block assists

………………JeanJeanKimKimSueSue

!!!!!!!!!!!!!! K Konlyonly

K – EK – E TA TA

K+EK+E++00!!!!Player

Points For and AgainstPoints For and Against

Faucette: Points For = 14; Points Against = 10 For Match +4

A Second Look @ Hitting ErrorsA Second Look @ Hitting Errors

How many errors from blocks?How many errors from blocks?Good Errors v. Bad ErrorsGood Errors v. Bad Errors

Training hitters to attackTraining hitters to attackthe blockthe blockSeamSeamOutside ForearmOutside ForearmHigh HandsHigh HandsAdvancedAdvanced

Change up for second swingChange up for second swing

Box ScoreBox Score

Team: Earned Points = 69; Gifts = 51 (38)Opponent’s Block v. Hitting ball out of bounds (36 errors; 13 on blocks)

Box ScoreBox Score

Statistical checks if keeping both sidesStatistical checks if keeping both sides1. Service Aces = Reception Errors1. Service Aces = Reception Errors

2. Kills + Aces + Block Solos + ½ Block 2. Kills + Aces + Block Solos + ½ BlockAssists + Selected Opponents Errors [(AE –Assists + Selected Opponents Errors [(AE –TTB) + SE + BHE] = number of points yourTTB) + SE + BHE] = number of points yourteam scored in a game (match).team scored in a game (match).

Total Match

Florida = 88

EarnedKills = 57

SA = 1

Team Blocks = 11

TOTAL = 69

GiftsTx AE(20)-TB(11) = 9

SE = 9

BHE = 1

TOTAL = 19

69 earned + 19 Gifts = 88

Errors: 29+9+3+1+3=45

Unforced: 18+9+1+3=31

E: 21+6+4+3=34

UF:9 5+6+3

Minimize Un-Forced ErrorsMinimize Un-Forced Errors

Service Errors?Service Errors?How many serves can you miss?How many serves can you miss?Ace – Error RatioAce – Error Ratio

Blocking ErrorsBlocking ErrorsBall Handling ErrorsBall Handling ErrorsHitting Errors not the result of the OpponentsHitting Errors not the result of the OpponentsBlockBlock

Hitting Errors

Texas: 25 E - 14 PSU Blocks

11 unforced errors/183 swings

6%

Penn State: 20 E – 12 Tx Bls

8 unforced errors/175 swings

4.6%!

3 Time National Champion

CommonMistakesBlocking

Service Ace

BE=Kill forAttacker

99/154

Feedback for BlockersFeedback for Blockers

Covered BlockCovered Block

Feedback for BlockersFeedback for Blockers

Playable TouchPlayable Touch

Base Positions When Serving

Five Hitters/One Setter (5-1)

OPPS

M2O1

M1O2

O1OPP

M2

S

O2M1

M2OPP

O2

SO1M1

O1

SM1

M2OPPO2

M2OPP

O2M1

SO1

M2

OPPO2M1

SO1

Rotation 1 Rotation 2 Rotation 3

KEYS=SetterO=OutsideHitterM=MiddleBlockerOpp=RightSide Hitter

Libero: Maybesubstitutedfor both M’sor both O’s

Base Positions When Serving

Five Hitters/One Setter (5-1)

SOPP

M1O2

M2O1

O2S

M1

OPP

O1M2

M1S

O1O2M2

02

OPPM2

M1 SO1

M1S

O1M2

OPPO2

M1

SO1M2

OPPO2

Rotation 4 Rotation 5 Rotation 6OPP

KEYS=SetterO=OutsideHitterM=MiddleBlockerOpp=RightSide Hitter

Libero: Maybesubstitutedfor both M’sor both O’s

Rotation Analysis from Score sheetRotation Analysis from Score sheet

Setterserving

O1

M2

Opp

O2

M1

10/2 =5

3/2=1.5

Play as much of each set as possible in your best rotations

Which Rotation should each team start in?

Matchup Worksheet

Who Blocks and DigsRonda Rocket?

9

Can I get my weaker Hitter away from Betty Block?

11

1

Am I playing someone with a predictable starting rotation?

Am I in my best receptionformation when Jenny Jump is

serving?

SubsO

ppon

ent

Dat

eG

ame

Matchup Worksheet

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American Volleyball CoachesAmerican Volleyball CoachesAssociationAssociation

Affiliate StatesAffiliate StatesMichigan, Ohio, Wisconsin, Minnesota, SouthMichigan, Ohio, Wisconsin, Minnesota, SouthDakota, Massachusetts, Kentucky, Georgia, IllinoisDakota, Massachusetts, Kentucky, Georgia, IllinoisNational AwardsNational Awards

2009 Team Academic (2) 2009 Team Academic (2)Clinton High School (Coach Mark Massey)Clinton High School (Coach Mark Massey)Sheldon High School (Coach Michele Sheldon High School (Coach Michele HoogersHoogers))2009 Second Team All-American2009 Second Team All-AmericanJessica Jessica GehrkeGehrke, Iowa City West High School, Iowa City West High School

Kansas City – 2010 NCAA Championship &Kansas City – 2010 NCAA Championship &AVCA Convention/Volleyball MarketplaceAVCA Convention/Volleyball Marketplace

2009 Team Academic (2)2009 Team Academic (2)Clinton High School (Coach Mark Massey)Clinton High School (Coach Mark Massey)Sheldon High School (Coach Michele Sheldon High School (Coach Michele HoogersHoogers)) 2009 Second Team All-American 2009 Second Team All-AmericanJessica Jessica GehrkeGehrke, Iowa City West High School, Iowa City West High School