Fig. 1
From: Chocolate scents and product sales: a randomized controlled trial in a Canadian bookstore and café
Sales by type on treatment and control days. All sales data associated with the randomized controlled trial. The x-axis shows each of the 31 days of the experiment, with gray vertical bars indicating days on which the chocolate scent was administered. The y-axis shows sales in Canadian dollars (CAD). The markers indicate sales per day: circles denote total sales, Xs denote café sales, diamonds denote book sales, and triangles denote bulk coffee bean/loose tea/spice sales