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nadia.serveti@gmail.com
www.nadiaserveti.com
Nadia Serveti
Product & Systems Design Engineer
- B.Eng Thesis -
Evaluation of Children’s Interactive Toys: Exploring
Evaluation Methods with Preschoolers
November 2010
Nadia Serveti | 2015 All Rights Reserved.
Executive Summary (1/2)
Design and apply an evaluation
method for interactive toys for
preschoolers
Select a representative
interactive toy for this purpose
(exergame)
Objectives
Heuristic Evaluation / Expert Review
Ethnographic Field Study (with recording)
- 3 sessions within 3 months
Individual Interviews with teachers
Methodologies Participants
Age Sample size Boys Girls
3 yrs 3 2 1
4 yrs 4 3 1
5 yrs 4 1 3
Total 11 6 5
Experimental Study
Diagnostic, summative & formative evaluation
Challenges
No scientific literature
Children’s skills develop rapidly
Very limited vocabulary
Can’t write
Shy and like to please people
Nadia Serveti | 2015 All Rights Reserved.
Executive Summary (2/2)
Hypotheses
Can children play with this toy?
Hypothesis 1: The child - toy interaction is not intuitive.Third person involvement is
required.
Hypothesis 2: The concurrent physical activity (pedalling and hand turning), visual response
on the display (TV) and learning activity are very demanding for children from 3-5 years old.
Hypothesis 3: The child - toy interaction as a physical activity (pedalling & hand turning) and
the visual response on the display (TV) are not clear - understandable.
Hypothesis 4: The toys setup encourages - promotes physical activity.
Evaluation Criteria
Accessibility / Ability
Learnability
Mediated / Intermediated
Target Group
Target Group & Competitor Analysis
Nadia Serveti | 2015 All Rights Reserved.
Children 3-6 years old, boys & girls
• Very limited vocabulary
• Can’t write
Competitor
Analysis
Cyberbike, but without learning
activity
UX Research Design
Nadia Serveti | 2015 All Rights Reserved.
UX
The research was conducted in 3 phases.
Heuristic
Evaluation
1
Ethnographic
Field Study
2
Individual
Interviews
with Teachers
3
Why?
Nadia Serveti | 2015 All Rights Reserved.
Methodology Why
Heuristic Evaluation / Expert
Review
This methodology does not rely on user involvement and so it
can give us a cost effective base for all other components.
Ethnographic Field Study
Collect qualitative feedback about the user’s interaction with
the product
Individual Interviews with
teachers
Interviews (after the ethnography session) will help us obtain
more detailed feedback and clarify issues identified during the
observations. Since interviewing preschoolers will not provide
us with accurate data, we’ve decided to interview their
teachers, as professionals in Education.
Before the Ethnographic Field Study
Nadia Serveti | 2015 All Rights Reserved.
Heuristic
Evaluation
1
Ethnographic
Field Study
2
Individual
Interviews
with Teachers
3
Visit the school & the teachers
Meet & interact with children several times
Ask parents for permission
Nadia Serveti | 2015 All Rights Reserved.
Ethnographic Field Study - Experiments setup
Observer'2''&''Computer
Microphone
Web'camera
Ethnographic Field Study
Nadia Serveti | 2015 All Rights Reserved.
Heuristic
Evaluation
1
Ethnographic
Field Study
2
Individual
Interviews
with Teachers
3
Small gift to the participants
View Recordings multiple times and take
notes of our observations.
Individual Interviews with Teachers
Nadia Serveti | 2015 All Rights Reserved.
Heuristic
Evaluation
1
Ethnographic
Field Study
2
Individual
Interviews
with Teachers
3
The input of the teachers, who knew the
children, their background & character,
helped us clarify some areas of the
observations, as well as get valuable feedback
as they were professionals in Education.
Nadia Serveti | 2015 All Rights Reserved.
Cognitive Aspects Identified
Six skills need to be combined
Moving legs
Moving hands
Processing of the visual stimuli
Processing of the acoustic stimuli
Thinking to organise the movements
Absorbing knowledge received
Meta-Evaluation
Pros Cons
Easy to apply
No large number of evaluators/observers
is required (2 observers are enough)
Insights / data coming from 2 scientific
areas (educators & designers/evaluators)
Large number of problems were
identified, comparing to the short
duration of the experiments
Testing environment / conditions were
reduced (familiar environment for the
children)
Not very costly
Small sample size
Short duration of the experiments
Children felt awkward due to the
observation & recording (as a procedure).
If a group of children were present, the
awkwardness would be minimised.
However, this would not allow the right
execution of the experiments.
Low frequency of the experiments.
Nadia Serveti | 2015 All Rights Reserved.
Recommendations to Improve our Method
We recommend:
Larger sample size
Longer duration of the experiments (e.g. more rounds of
experiments and also each round separately)
Hide recording media (cameras and microphones)
The teacher of each child to be present during the experiment
Nadia Serveti | 2015 All Rights Reserved.
THANK YOU!
nadia.serveti@gmail.com
www.nadiaserveti.com

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B.Eng Thesis - Evaluation of Children’s Interactive Toys: Exploring Evaluation Methods with Preschoolers

  • 1. nadia.serveti@gmail.com www.nadiaserveti.com Nadia Serveti Product & Systems Design Engineer - B.Eng Thesis - Evaluation of Children’s Interactive Toys: Exploring Evaluation Methods with Preschoolers November 2010
  • 2. Nadia Serveti | 2015 All Rights Reserved. Executive Summary (1/2) Design and apply an evaluation method for interactive toys for preschoolers Select a representative interactive toy for this purpose (exergame) Objectives Heuristic Evaluation / Expert Review Ethnographic Field Study (with recording) - 3 sessions within 3 months Individual Interviews with teachers Methodologies Participants Age Sample size Boys Girls 3 yrs 3 2 1 4 yrs 4 3 1 5 yrs 4 1 3 Total 11 6 5 Experimental Study Diagnostic, summative & formative evaluation Challenges No scientific literature Children’s skills develop rapidly Very limited vocabulary Can’t write Shy and like to please people
  • 3. Nadia Serveti | 2015 All Rights Reserved. Executive Summary (2/2) Hypotheses Can children play with this toy? Hypothesis 1: The child - toy interaction is not intuitive.Third person involvement is required. Hypothesis 2: The concurrent physical activity (pedalling and hand turning), visual response on the display (TV) and learning activity are very demanding for children from 3-5 years old. Hypothesis 3: The child - toy interaction as a physical activity (pedalling & hand turning) and the visual response on the display (TV) are not clear - understandable. Hypothesis 4: The toys setup encourages - promotes physical activity. Evaluation Criteria Accessibility / Ability Learnability Mediated / Intermediated
  • 4. Target Group Target Group & Competitor Analysis Nadia Serveti | 2015 All Rights Reserved. Children 3-6 years old, boys & girls • Very limited vocabulary • Can’t write Competitor Analysis Cyberbike, but without learning activity
  • 5. UX Research Design Nadia Serveti | 2015 All Rights Reserved. UX The research was conducted in 3 phases. Heuristic Evaluation 1 Ethnographic Field Study 2 Individual Interviews with Teachers 3
  • 6. Why? Nadia Serveti | 2015 All Rights Reserved. Methodology Why Heuristic Evaluation / Expert Review This methodology does not rely on user involvement and so it can give us a cost effective base for all other components. Ethnographic Field Study Collect qualitative feedback about the user’s interaction with the product Individual Interviews with teachers Interviews (after the ethnography session) will help us obtain more detailed feedback and clarify issues identified during the observations. Since interviewing preschoolers will not provide us with accurate data, we’ve decided to interview their teachers, as professionals in Education.
  • 7. Before the Ethnographic Field Study Nadia Serveti | 2015 All Rights Reserved. Heuristic Evaluation 1 Ethnographic Field Study 2 Individual Interviews with Teachers 3 Visit the school & the teachers Meet & interact with children several times Ask parents for permission
  • 8. Nadia Serveti | 2015 All Rights Reserved. Ethnographic Field Study - Experiments setup Observer'2''&''Computer Microphone Web'camera
  • 9. Ethnographic Field Study Nadia Serveti | 2015 All Rights Reserved. Heuristic Evaluation 1 Ethnographic Field Study 2 Individual Interviews with Teachers 3 Small gift to the participants View Recordings multiple times and take notes of our observations.
  • 10. Individual Interviews with Teachers Nadia Serveti | 2015 All Rights Reserved. Heuristic Evaluation 1 Ethnographic Field Study 2 Individual Interviews with Teachers 3 The input of the teachers, who knew the children, their background & character, helped us clarify some areas of the observations, as well as get valuable feedback as they were professionals in Education.
  • 11. Nadia Serveti | 2015 All Rights Reserved. Cognitive Aspects Identified Six skills need to be combined Moving legs Moving hands Processing of the visual stimuli Processing of the acoustic stimuli Thinking to organise the movements Absorbing knowledge received
  • 12. Meta-Evaluation Pros Cons Easy to apply No large number of evaluators/observers is required (2 observers are enough) Insights / data coming from 2 scientific areas (educators & designers/evaluators) Large number of problems were identified, comparing to the short duration of the experiments Testing environment / conditions were reduced (familiar environment for the children) Not very costly Small sample size Short duration of the experiments Children felt awkward due to the observation & recording (as a procedure). If a group of children were present, the awkwardness would be minimised. However, this would not allow the right execution of the experiments. Low frequency of the experiments.
  • 13. Nadia Serveti | 2015 All Rights Reserved. Recommendations to Improve our Method We recommend: Larger sample size Longer duration of the experiments (e.g. more rounds of experiments and also each round separately) Hide recording media (cameras and microphones) The teacher of each child to be present during the experiment
  • 14. Nadia Serveti | 2015 All Rights Reserved. THANK YOU! nadia.serveti@gmail.com www.nadiaserveti.com