algebra: Retention of algebra among adults.

Description Usage Format Details Note References

Description

Data assesing how much algebra knowledge is retained.

Usage

1
data("algebra")

Format

A dataframe with 125 rows and 5 columns.

Score

Subject's score on algebra test of 100.

Condition

Group of years since last algebra instruction:

1

0-4 Years

2

5-10 Years

3

11-20 Years

4

21-30 Years

5

31+ Years

Years

The exact number of years since last instruction.

Grade

Recalled grade in high-school algebra:

  1. D or Lower

  2. C

  3. B

  4. A

ConditionLabels

A re-labeling and factoring of the Condition variable.

Details

See what this does

Note

The documentation does not auto-update. If one changes the base file, this documentation will no longer remain accurate.

36-202 Lab 6 Data.

The ConditionLabels variable was added after the fact.

References

Bahrick and Hall. Lifetime Maintenance of High-School Mathematics Content. Journal of Experimental Psychology: General. Volume 113, Pages 1-24. 1991.


frank113/cmu202 documentation built on July 17, 2020, 9:31 p.m.