Instructional Materials

Overhead Projectors

• PartsParts– headhead

– focus knobfocus knob

– stagestage

– off/on switchoff/on switch

– lamplamp

• Using the OverheadUsing the Overhead– turn on only when turn on only when

usingusing

– avoid “Keystone” avoid “Keystone” imageimage

Slide Projectors

• PartsParts– lenslens

– focusfocus

– on/off switchon/off switch

– tray release/selecttray release/select

– remote controlremote control

• Using Slide ProjectorsUsing Slide Projectors– position image position image

correctlycorrectly

– insure slides are insure slides are inserted correctlyinserted correctly

– preview slides before preview slides before useuse

Motion Picture/Video Tape• PartsParts

– threading mechanismthreading mechanism– focus knobfocus knob– selector switchselector switch– rewind mechanismrewind mechanism

• VCRVCR– standard home usestandard home use– check functionscheck functions– cue tape/volume before usecue tape/volume before use– check relevancecheck relevance

• Using Motion PicturesUsing Motion Pictures– resist canned resist canned

programmingprogramming

– preview for conflict preview for conflict with your operationswith your operations

– tape may breaktape may break

– appropriate viewing appropriate viewing source (TV monitor)source (TV monitor)

Uses of Instructional Aids

• Support explanationsSupport explanations

• Create interest in topicCreate interest in topic

• Provides emphasisProvides emphasis

• Sensory appealSensory appeal

• Time savingsTime savings

General Rules for Using Projectable Visual Aids

• Be preparedBe prepared– equipment in orderequipment in order– spare bulb or machinespare bulb or machine

• Be sure everyone can see and hearBe sure everyone can see and hear

• Every aid must have a purposeEvery aid must have a purpose

General Rules for Using Projectable Visual Aids

• Overhead ProjectorOverhead Projector– mark framemark frame– stack orderstack order– mask underneathmask underneath– point on stagepoint on stage– expose items one at a timeexpose items one at a time– don’t walk between screen and projectordon’t walk between screen and projector– avoid “keystone”avoid “keystone”– place transparency on stage with lamp offplace transparency on stage with lamp off

General Rules for Using Projectable Visual Aids

• Slide ProjectorsSlide Projectors– Preview Preview PreviewPreview Preview Preview– Introduce slidesIntroduce slides

• importance to audienceimportance to audience

• what to look forwhat to look for

– Show each slide for 1 - 2 minutes each max.Show each slide for 1 - 2 minutes each max.– Start presentation with blank slideStart presentation with blank slide– Review may be difficult or awkwardReview may be difficult or awkward

General Rules for Using Projectable Visual Aids

• Motion Picture Motion Picture – PreviewPreview

• is it worth itis it worth it• outdated?outdated?• note variations to sopnote variations to sop

– IntroduceIntroduce

– Avoid distractionsAvoid distractions

– Discuss key pointsDiscuss key points

– Summarize key pointsSummarize key points

Non-projectionable Instructor Aids

• ChalkboardChalkboard– make sure its cleanmake sure its clean– have chalk and eraser readyhave chalk and eraser ready– dont turn back on studentsdont turn back on students– keep writing clearkeep writing clear– erase material when finishederase material when finished

Non-projectionable Instructor Aids

• HandoutsHandouts– read them for accuracy before giving outread them for accuracy before giving out– make sure they are legiblemake sure they are legible– decide when to distributedecide when to distribute

• Charts and DiagramsCharts and Diagrams– make sure everyone can read - size ?make sure everyone can read - size ?– discuss parts in logical order - don’t jumpdiscuss parts in logical order - don’t jump