Module 5: Data collection & analysis

Question 1

Columns

Answer 1

Display variables

Question 2

Identifier variable

Answer 2

to recognize test person

Question 3

dummy variables

Answer 3

0,1 codes

Question 4

Sampling

Answer 4

process of selection subjects from a population

Question 5

population

Answer 5

the whole group

Question 6

Sampling process

Answer 6

1. Determine population
2. Determine sampling frame
3. Determine sampling design

Question 7

measurement

Answer 7

turning abstract conceptual variables into measureable observations

Question 8

nominal

Answer 8

categorised, zonder duidelijke rangorde

Question 9

ordinaal

Answer 9

categorised, met een duidelijke rangorde

Question 10

interval

Answer 10

intervallen gelijk & duidelijke rangorde

Question 11

ratio

Answer 11

met betekenisvol nulpunt

Question 12

pearson

Answer 12

-1 perfect negative correlatoin
0 - not correlated at all
+1 perfect positive correlation (one variable increases, the other does too)

Question 13

chi square

Answer 13

relationship between two categorical variables

Question 14

one-way ANOVA

Answer 14

of groepsgemiddelden van twee of meer groepen significant van elkaar verschillen

extensie van t-test

Question 15

lineair regression analysis / logit analysis

Answer 15

• samenhang tussen twee variablen
• verandering van independent variable (IV) te voorspellen
• toekomstige waarde te voorspellen