The Effects of Distance Education on K-12 Student Outcomes: A ...

9. Content area (“content”).
Unspecified=0,
Reading/Language arts=1,
Mathematics=2,
Social studies=3,
Science=4,
Computers/Technology=5,
Foreign language=6,
Arts=7,
Physical education=8,
Other=9,
Writing=10.
10. Type <strong>of</strong> publication (“publication”).
Published journal article=1,
Journal article in press=2,
Book chapter=3,
Report=4,
Dissertation=5,
Conference paper=6.
B. <strong>Distance</strong> learning features
1. Duration <strong>of</strong> distance learning experience (“duration”).
Less than one semester=1,
One semester=2,
More than one semester=3.
2. Frequency <strong>of</strong> distance learning experience (“frequency”).
Unspecified=0,
From 5 to 7 days per week=1,
From 1 to 4 days per week=2,
From 1 to 3 days per month=3,
Less than monthly=4.
3. Instructional role <strong>of</strong> distance learning (“role”).
Unspecified=0,
Full-time educational program=1,
Courses to supplement an educational program or partial educational program=2,
Supplement to a specific course=3.
4. Number <strong>of</strong> distance learning sessions (“dlnumber”).
Unspecified=0,
List number <strong>of</strong> sessions.
5. Duration <strong>of</strong> distance learning sessions (“dlduration”).
Unspecified=0,
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