Adding social-norm comparison information (Norms) produced no additional reduction in absences beyond Encourage + Self¶
Claim · All claims
Evidence · 1 study · causalr2·q3
Currency · newest study 2016 · not yet checked against its sources · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? There was no additional reduction in absences caused by the Norms component (p=0.24); Encourage + Self and Encourage + Self + Norms mailings had statistically indistinguishable impacts on attendance. → Rogers and Feller 2016
Evidence¶
Rogers and Feller 2016¶
Todd Rogers, Avi Feller. (2016). Parent Beliefs and Student Absences: Large Absence-Reduction Field Experiment. SREE Spring 2016 Conference Abstract. https://www.sree.org/conferences/2016/
q3 · i? · causal · r2
In the randomized field experiment, the Encourage + Self + Norms arm (7,666 students) received mail comparing the student's absences to the typical student in their school and grade. No significant additional effect versus Encourage + Self; equivalence was not tested.
"However, there was no additional reduction in absences caused by the Norms component (p=0.24), meaning that the Encourage + Self and the Encourage + Self + Norms mailings had statistically indistinguishable impacts on attendance."
Discussion¶
Related Claims¶
- The Encourage component alone reduced absences by 0.6 days (a 3.5% decrease) compared to Control — related
- Self and Norms mailings produced spillover reductions in absences for non-focal students in the same household (0.8 days, 4.8%, p<.01) — related
- Attendance mailings corrected guardians' miscalibrated beliefs about their students' absences but did not change beliefs about the importance of attendance — related
- Adding Self information (the student's own absence total) to the Encourage mail reduced absences by an additional 0.5 days, a total of 6.2% versus Control — related
- Attendance mailings to guardians reduce student absences, with all treatment mailings pooled reducing absences by 0.9 days (a 5.3% decrease) versus control — a broader claim this one bears on
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