Wireless Service Customer Satisfaction Up 5% Over 2003, T-Mobile Top Rated

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Background
Study mea­sures cus­tomer sat­is­fac­tion based on 42 ser­vice-relat­ed mea­sures grouped into 6 key fac­tors of wire­less car­ri­er per­for­mance
Call performance/reliability (26%); cus­tomer ser­vice (17%); ser­vice plan options (17%); brand image (14%); cost of ser­vice (14%); billing (12%)
Car­ri­ers are ranked across 6 US regions