Collecting data - Representing data - 1

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 3

Data

collecting and representing

Name some ways to collect data

Examples:

Interviews.

Questionnaires and surveys.

Observations.

Documents and records.

Focus groups.

Oral histories.

It's about qood questions...

and good answers.

It's about qood questions...

What do you really want to know? 

00:32

What is 'bias'?

In TTO you have a lot of homework.

Yes

No

In TTO you have a lot of homework.

Is this a good question? Explain your answer.

My age is ...

12

13

14

15

16

My age is ...

Is this a good question? Explain your answer.

How to make qood questions?

Keep your survey questions
n . . t . . l

“We think our customer service representatives are really awesome. How awesome do you think they are?” 

Don't ask for t . . things at once

“How would you rate our customer service and product reliability?”

Keep your questions d . . f . r . . t
from each other

Don't use n . . a . . ve questions.

Think of three questions for your infographic.

Two of them are good and one isn't.

Keep your survey questions neutral.

Don't ask for two things at once.

Keep your questions different from each other.

Don't use negative questions. 

5 min - work in groups of 3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

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What do you remember of 'good questions'?

“We think our customer service representatives are really awesome. How awesome do you think they are?”
Why is this not a good question?

“How would you rate our customer service and product reliability?”
Why is this not a good question?

Do you think TTO isn't hard to do?

Why is this not a good question?

What does the word 'bias' mean?

You can give one word in Dutch.

It's about qood answers too.

What are the best set of answers in a servey for the question:

In TTO you have a lot of homework.

1. yes/no
2. on a scale from 0 to 10
3. I agree / I don't know / I don't agree
4. too much - a lot - just enough - too little

Focus on asking c l . . . d-ended questions.

Keep a balanced set of answer
c . . . c . s.

1. Extremely helpful
   
2. Very helpful
   
3. Helpful

Let most of your questions be
opt . . . . l to answer.

Think of two good questions

- one with answers 'yes/no'

- one with answer '0-10'

Focus on asking closed-ended questions.

Keep a balanced set of answer choices.

Let most of your questions be optional to answer

3 min - work in groups of 3

Show your first question.
(the whole group answers)

Show your second question.
(the whole group answers)

How would you rate the work of your group?

😒🙁😐🙂😃

Work on you infographic

Decide what you want to know for your infographic.

Which questions do you want to ask?

What will the answer choices be?