Journals
Publish with us
Publishing partnerships
About us
Blog
Child Development Research
Table of Contents
Special Issues
Child Development Research
/
2012
/
Article
/
Tab 1
/
Research Article
Children's Use of Arithmetic Shortcuts: The Role of Attitudes in Strategy Choice
Table 1
Accuracy (%), solution latencies, and proportion of cutoffs (%) in the pretest, first posttest, and second posttest on inversion and associativity problems.
Session
1
2
3
Accuracy
Inversion
Shortcut
98.3 (2.1)
99.4 (1.7)
98.8 (2.1)
Algorithm
40.8 (2.2)
42.0 (3.0)
56.9 (2.6)
Solution latency
Shortcut
5174 (293)
3216 (240)
4830 (298)
Algorithm
12407 (484)
114449 (646)
10346 (480)
Cutoffs
Shortcut
1.4 (1.9)
.4 (1.6)
.9 (2.0)
Algorithm
37.0 (2.1)
36.8 (2.8)
17.2 (2.4)
Accuracy
Associativity
Shortcut
65.0 (3.4)
76.2 (2.3)
65.0 (3.4)
Algorithm
48.8 (1.6)
47.2 (1.8)
48.8 (1.6)
Solution Latency
Shortcut
11927 (524)
9389 (361)
10479 (585)
Algorithm
13396 (347)
12358 (373)
13359 (327)
Cutoffs
Shortcut
16.1 (2.8)
9.1 (2.1)
10.2 (3.2)
Algorithm
33.3 (1.5)
36.3 (1.7)
28.8 (1.5)
Note. Standard errors are in parentheses.