Student ID Group Gender PreVocab PreGrammar PostVocab PostGrammar 1 1 1 14 15 18 18 1 12 11 19 19 5 1 2 13 14 19 18 1 1 9 8 17 16 7 1 2 10 13 18 17 8 12 15 19 18 10 1 2 8 10 17 17 11 1 1 10 12 18 19 13 1 1 13 9 17 14 1 2 11 12 19 19 15 1 1 13 14 18 17 1 2 17 14 20 18 18 2 2 12 13 18 19 20 2 2 12 10 14 13 21 2 1 10 11 15 15 22 2 14 16 19 19 28 2 11 12 16 15 33 2 12 13 17 34 1 13 14 19 18 38 2 1 12 11 16 16 40 2 2 11 16 17 41 2 14 13 18 19 42 2 1 17 18 20 20 43 2 1 11 13 15 14 20 2. 2. 2. 3.
Background
Description of Data
This data set contains the achievement test (English as a Second Language) results and
some background data collected during experimental trial of a new ESL program. The study was
one year in duration. Students were allocated to the experimental ESL program class and a
regular program control class on a random basis. Vocabulary and grammar tests were
administered to the students in both groups at the beginning and the end of the school year.
Data can be found in the excel file: ESLprogram.csv
Variables
The dataset includes 24 cases and 7 variables:
▪ Student ID
▪ Group (1 - experimental, 2 - control)
▪ Gender (1 - male, 2 - female)
▪ Pre-test vocabulary scores (scores
▪ Pre-test grammar scores (scores range from 0 - 25)
▪ Post-test vocabulary scores (scores range from 0 - 25)
▪ Post-test grammar scores (scores range from 0 - 25)
- Present a description of your variables: Provide a codebook with the following four columns: (1) Variable name; (2) Variable label; (3) Value & Value label and Measurement type (i.e., nominal, ordinal, continuous). Please present this as a table. This should fit on one page.
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