Comparison of Wave 1 and Wave 2 levels for identical concept test surveys on KnowledgePanel
®
Average
Concept 1
Concept 2
Concept 3
Concept 4
W1
W2
W1
W2
W1
W2
W1
W2
W1
W2
"Top two box"
45.8
46.2
49.8
50.5
47.5
49.6
43.5
44.8
36.4
35.0
Note: No statistically significant difference in week to week results