Luis has developed several sales promotions to boost attendance at home games. he is now comparing the attendance rates for games with and without sales promotions. luis is most likely measuring marketing performance to

C. Evaluate the effectiveness of marketing decisions

Explanation:

First, let me list out the options omitted from the question

A. identify marketing problems

B. align marketing activities with the brand

C. evaluate the effectiveness of marketing decisions

D. translate insights into long-term strategies and actions

Evaluating the Effectiveness of Marketing Decisions

The key to finding the most effective of several processes is in measurement and measurement in Marketing campaigns simply helps to identify the strategies or promotions that work and those that do not work.

The fact that Luis developed several sales promotions means, there is the need to find out and establish through Key Performance Indicators (KPIs), the strategies or promotions that work and are effecive in order to direct more efforts in their direction.

The KPIs in Luis' case is the attendance rates for games and apparently the difference between attendance rate with or without promotions will assist in deciding which is most effective among the several sales promotions.