four columns: (1) Variable name; (2) Variable label; (3) Value & Value label and Level of measurement (i.e., nominal, ordinal, interval, ratio). Please present this as a table. This should fit on one page

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.

Variables

The dataset includes 24 cases and 7 variables:

▪ Student ID

▪ Group (1 - experimental, 2 - control, 9 - missing)

▪ Gender (1 - male, 2 - female, 9 - missing)

▪ Pre-test vocabulary scores (scores range from 0 - 25, 99 - missing)

▪ Pre-test grammar scores (scores range from 0 - 25, 99 - missing)

▪ Post-test vocabulary scores (scores range from 0 - 25, 99 - missing)

▪ Post-test grammar scores (scores range from 0 - 25, 99 - missing)

Provide a codebook with the following four columns: (1) Variable name; (2) Variable label; (3) Value & Value label and Level of measurement (i.e., nominal, ordinal, interval, ratio). Please present this as a table. This should fit on one page