Table 4 Longtidunal Study: Six Waves.

From: How civilian casualty information shapes support for US involvement in an ally country’s war effort

Wave #

Date

# Respondents

Sampling error

Design effect

1

July 2022

2020

2.78

1.62

2

September 2022

1854

3.0

1.74

3

December 2022

1768

3.0

1.71

4

March 2023

1746

3.0

1.68

5

June 2023

1686

3.2

1.85

6

September 2023

1665

3.6

1.93

  1. Note: The margin of sampling error for total respondents is +/- the indicated percentage points at the 95% confidence level.