Companion web for the article 

"An Empirical Investigation of the Influence of a Type of Side Effects on Program Comprehension"

by J.J. Dolado, M. Harman, M.C. Otero and L. Hu 

Content of this page

1. Materials used
2. Data collected in SPSS format. Several NCSS reports
   1. Test 1 with students
   2. Test 2 with students
   3. Test 3 with experienced subjects
3. Note on the mathematical formulation of the Crossover design

• Materials used

- Set of questions A, SEF version (.rtf)    (.pdf)    (.ps)

- Set of questions A, SE version (.rtf)      (.pdf)    (.ps)

- Set of questions B, SEF version (.rtf)    (.pdf)    (.ps)

- Set of questions B, SE version (.rtf)      (.pdf)    (.ps)

Note: the answers to the tests can be obtained by contacting the authors.

- Questions for preparing a general C test, from the programming group of the Universidad de Sevilla 

- Background information from the experienced subjects

- The LinSERT Tool

• Data collected in SPSS v10 format

TEST1 (with Set of questions A)

           Test with students

test1.sav        test1-univ.sav    test1web18.sav

test-apx1.sav (for the alternative analysis of Test 1)

Syntax files 

test1.sps     

test1-apx1.sps (for the alternative analysis of Test 1)

NCSS Crossover reports for Test 1 (.rtf)

Score (not available)

Time

TEST2 (with Set of questions B)

           Test with students

test2.sav       test2-univ.sav      test2web16.sav

syntax file: test2.sps

NCSS Crossover reports for Test 2 (.rtf)

Score

Time

TEST 3 (with Set of questions A)

Test with experienced subjects

test1xprtsweb.sav