ENGAGE what does the fox say

ENGAGE what does the fox say

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  For more, visitEngagingScience.eu What does the fox say? Equipping the Next Generation for Active Engagement in Science
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  2 Objectives To use whatyou know about sound waves in a new context. To decide whether there is enough evidence to show that a device can interpret dog barks.
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  3STARTER A-oo-oo-oo-ooo! A funny videowith a serious questionA funny video with a serious question
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  4STARTER Can science tellus what animals are saying…and interpret their emotions?
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  5 The Bow-lingual dogtranslator contact me my account testimonials checkoutsupportitems http://www.japantrendshop.com What is your dog trying to say? Our new device reveals all… 5 Buy yours today! STARTER
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  6 The Bow-lingual dogtranslator contact me my account testimonials checkoutsupportitems Sound travels as waves. We can convert sound waves to pictures. 6CORE TASK How it works 1
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  7 The Bow-lingual dogtranslator contact me my account testimonials checkoutsupportitems 7 The bigger the amplitude, the louder the sound. time amplitude loud quiet Wave amplitude determines loudness. CORE TASK How it works 2
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  8 The Bow-lingual dogtranslator contact me my account testimonials checkoutsupportitems The higher the frequency, the higher the pitch. time frequency low pitch higher pitch Loud (light colour) Quiet (dark colour) This is a spectrogram. 8CORE TASK Wave frequency determines pitch. How it works 3
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  9 The Bow-lingual dogtranslator contact me my account testimonials checkoutsupportitems Dog translator Which spectrogram represents which sound? 51342 EDCBA CORE 9 How it works 4
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  10 Does the evidence support the claimthat Bow-lingual identifies emotions from barks? PLENARY 10
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  11 The reviews are bad.They are laughing at Bow-lingual. This will damage sales. We need help. gadgetreview.com I just bought Bow-lingual. I was shocked to learn how much my dog hates me. Every time he barks he mocks me. He makes fun of my clothes, my cooking and my weight. I did not know a dog could swear like that! My dog hates me! SS2–3 Bow-lingual: the boss 11 Read Recognising Emotions Is the science sound?  Study the Report. Was the research done well? Then use science to explain how we know that Bow-lingual works. EXTENSIO
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  12 Bristol University scientists usedspectrograms to analyse sounds from 585 foxes. They identified 20 call types, and suggested meanings for them. What did the fox say? Can science tell us? 12PLENARY
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  Get students talkingand thinking
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  For more, visitEngagingScience.eu Student sheets What does the fox say? Sheet no. Title Notes SS1 Fox translator Reusable. Print in colour. SS2 Recognising emotions Reusable. Cut each A4 sheet in half to obtain 2 identical sheets. SS3 Report: Can people identify dog emotions? Reusable
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  15 SS1 Dog Translator For allspectrograms, time is on the x-axis and frequency on the y-axis. 1 5 4 32 Listen to the sounds. Decide which spectrogram represents which sound.
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  Recognising emotions It chooses aphrase linked to the emotion, and a voice synthesiser says it aloud. frustrated on-guardsad happy self-assertiveneedy SS2 Bow-Lingual detects a sound.1 It converts the sound waves to a spectrogram.2 It compares the spectrogram to spectrograms in its memory to identify the dog emotion.3 4 Don’t leave me! Recognising emotions It chooses a phrase linked to the emotion, and a voice synthesiser says it aloud. frustrated on-guardsad happy self-assertiveneedy SS2 Bow-Lingual detects a sound.1 It converts the sound waves to a spectrogram.2 It compares the spectrogram to spectrograms in its memory to identify the dog emotion.3 4 Don’t leave me!
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  17 Scientists: Péter Pongrácz,Csaba Molnár, Ádám Miklósi, Vilmos Csányi of Hungary The owners recognised dog emotions linked to different situations. They did better than you would expect if they just guessed. People recognised dog emotions with similar accuracy, whatever their experience of dogs. Every happy bark makes a similar spectrogram pattern. This is the same for each emotion tested. Report: Can people identify dog emotions? Journal of Comparative Psychology, 2005 SS3 0 10 20 30 40 50 60 70 80 90 100 mudi owners owners of other dog breeds non dog owners Percentageofhumanswho correctlyrecognisedsituationsfrom recordeddogbarks Results Question Conclusions Record Hungarian sheepdog (mudi) barks in different situations:  stranger  walk  alone  ball  play Method – part A “Are barks Important in dog-human communication?” We think people can recognise emotions in dog barks. Why? Either or Hypothesis 1 people have learned this skill 2 all species communicate using similar rules. Method – part B 12 non dog owners 12 mudi owners 12 owners of other breeds Listen to recorded barks. Identify the dog emotion in each bark:
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  Get students talkingand thinking
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  Equipping the NextGeneration for Active Engagement in Science