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Influences of basic numerical abilities on graph reading performance

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Abstract

Understanding graphically presented information is an important aspect of modern mathematical and science literacy. In our study, we investigated the influence of basic numerical abilities on students’ ability answer mathematical tasks with information presented in graphs. We analyzed data of 750 German students (grades 9–11) and evaluated the determinants of graph reading performance with multiple regression analysis using predictors of basic numerical abilities (such as number line estimation, basic arithmetic operations, etc.), considering also the influences of general cognitive ability, age, and gender. We found that number line estimation, subtraction, and conceptual knowledge were significant predictors of graph reading performance beyond the influences of general cognitive ability. This indicates that basic numerical abilities are still relevant for real-life problem solving in secondary school. We discuss possible mechanisms which directly (through respective arithmetic procedures) as well as indirectly (through mathematization of the problem) effectuate that basic numerical abilities graph reading performance.

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Acknowledgements

This research is part of the research program “Netzwerk Bildungsforschung” (Educational Research Network) of the Baden-Württemberg Stiftung and was additionally partly funded by the LEAD Graduate School & Research Network [GSC1028], a project of the Excellence Initiative of the German federal and state governments.

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Correspondence to Ulrich Ludewig.

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Appendix

Appendix

Results of multiple regression analysis and relative weights of basic numerical abilities, general cognitive ability, age, gender and two-way interaction between age, gender with basic numerical abilities and general cognitive ability.

 

B

β

[L-CI,U-CI]

RW

t

p

RS-RW (%)

Criteria = Graph reading performance [multiple R2 = 0.33, adj. R2 = 0.31, F(30,720) = 12.46, p <0.001]

Intercept

6.71

0.00

[− 0.06, 0.07]

 

80.53

0.000

 

Addition

− 0.01

− 0.02

[− 0.14, 0.04]

0.02

− 0.35

0.914

5.79*

Subtraction

0.09

0.20

[0.11, 0.29]

0.05

4.17

0.000

13.86*

Multiplication

0.01

0.01

[− 0.05, 0.11]

0.02

0.34

0.914

6.22*

Number line estimation

2.13

0.15

[0.06, 0.19]

0.04

4.07

0.000

12.01*

Approximate arithmetic

0.01

0.03

[− 0.04, 0.11]

0.02

0.80

0.748

6.12*

Conceptual knowledge

0.04

0.11

[0.03, 0.18]

0.03

2.86

0.026

9.92*

Basic geometry

0.01

0.05

[− 0.03, 0.11]

0.02

1.27

0.616

5.17*

Non-sym. mag. comp.

0.01

0.01

[− 0.04, 0.09]

0.01

0.29

0.925

1.70

G. cognitive ability

0.17

0.30

[0.22, 0.37]

0.10

7.34

0.000

28.54*

Gendera

0.07

0.03

[− 0.04, 0.10]

0.00

0.87

0.748

1.16

Log (age)

0.14

0.01

[− 0.06, 0.07]

0.00

0.22

0.954

0.46

Addition × age

0.2

0.04

[− 0.05, 0.14]

0.00

0.89

0.748

1.31

Subtraction × age

− 0.15

− 0.04

[− 0.13, 0.05]

0.00

− 0.82

0.748

0.41

Multiplication × age

− 0.01

0.00

[− 0.09, 0.08]

0.00

− 0.06

0.954

0.22

Number line estimation × age

2.56

0.02

[− 0.05, 0.09]

0.01

0.59

0.828

2.26

Approximate arithmetic × age

− 0.07

− 0.02

[− 0.09, 0.05]

0.00

− 0.54

0.847

0.54

Conceptual knowledge × age

− 0.11

− 0.03

[− 0.11, 0.04]

0.00

− 0.92

0.748

0.34

Basic geometry × age

0.04

0.04

[− 0.03, 0.11]

0.00

1.12

0.713

0.31

Non-sym. mag. comp. × age

0.18

0.03

[− 0.04, 0.10]

0.00

0.83

0.748

0.61

G. cognitive ability × age

− 0.11

− 0.03

[− 0.09, 0.05]

0.00

− 0.65

0.828

0.80

Addition × gender

− 0.06

− 0.11

[− 0.2, − 0.01]

0.00

− 2.16

0.155

0.16

Subtraction × gender

0

0.00

[− 0.09, 0.10]

0.00

0.08

0.954

0.12

Multiplication × gender

0.03

0.06

[− 0.03, 0.13]

0.00

1.33

0.616

0.13

Number line estimation × gender

− 1.08

− 0.07

[− 0.14, 0.00]

0.00

− 2.04

0.178

0.09

Approximate arithmetic × gender

0

0.00

[− 0.08, 0.09]

0.00

0.07

0.954

0.14

Conceptual knowledge × gender

− 0.01

− 0.02

[− 0.09, 0.06]

0.00

− 0.46

0.877

0.57

Basic geometry × gender

0

− 0.02

[− 0.10, 0.05]

0.00

− 0.63

0.828

0.51

Non-sym. mag. comp. × gender

0.03

0.05

[− 0.02, 0.11]

0.00

1.29

0.616

0.44

G. cognitive ability × gender

0

− 0.01

[− 0.08, 0.07]

0.00

− 0.13

0.954

0.07

0.33

100.00

  1. B unstandardized regression weight, β standardized regression weight, L-CI lower boundary of 95%-confidence interval, L-CI upper boundary of 95%-confidence interval, RW raw relative weight (within rounding error raw weights will sum to R2), t t value measures the size of the effect relative to the variation in sample data, p FDR adjusted p value, RS-RW relative weight rescaled as a, percentage of predicted variance in the criterion variable attributed to each predictor (within rounding error rescaled weights sum to 100%)
  2. *Significantly different from a random variable
  3. aCode female = − 1, male = 1

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Ludewig, U., Lambert, K., Dackermann, T. et al. Influences of basic numerical abilities on graph reading performance. Psychological Research 84, 1198–1210 (2020). https://doi.org/10.1007/s00426-019-01144-y

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  • DOI: https://doi.org/10.1007/s00426-019-01144-y

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