Redesigning the second research lesson cycle so students compared results across groups raised correct answers on the volume item from 11% to 80%¶

Claim · All claims
Evidence · 1 study · design r3 · q2
Currency · newest study 2011 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? In class 4B, after the lesson was changed so students actively sought and compared other groups' data, correct answers on the Part C volume items rose from 11% (pre-test) to 80% (post-test), an increase of 69%. → Ming Fai Pang 2011

Evidence¶

Ming Fai Pang 2011¶

Ming Fai Pang, Lo Mun Ling. (2011). Learning study: helping teachers to use theory, develop professionally, and produce new knowledge to be shared. Instructional Science. https://doi.org/10.1007/s11251-011-9191-4

q2 · i? · design · r3

Second research lesson cycle of the chemistry learning study, taught to class 4B with one change: students were told the purpose of group work and had to find groups with appropriate data to compare. "In comparison with class 4A, there was a marked improvement in the answers given for these items."

"We found that while only 11% of the students in class 4B answered the Part C items correctly in the pre-test, 80% of the students gave the correct answers in the post-test, representing an increase of 69%."

Discussion¶

Related Claims¶

• In chemistry cycle 1, students actively engaged in experimentation still did worse on the volume-rate item, with correct answers falling 6% from pre-test to post-test — reports the opposite
• Student engagement increased across all performance levels over three DBR cycles, with low-performing students moving from 7–10 teacher prompts per lesson to 95–100% sustained attention by Cycle 3 — related
• Repeated negative alerts for one student prompted the teacher to revisit her and shift from explanation to inquiry, and reorganization of her engagement occurred only after this second intervention — related
• Primary four students taught with a variation-theory-designed lesson were far more likely to give a correct, properly explained answer about 'equal shares' in fractions than comparison-group students — related
• Teachers in the chemistry learning study concluded that what counts is not active participation but experiencing a pattern of variation and invariance that allows discernment — a broader claim this one bears on