National Research Corp. reported consolidated earnings results for the fourth quarter of 2015. For the quarter, revenue was $26.4 million, an increase of 5% over the fourth quarter of 2014. Operating income for the fourth quarter 2015 was $7.7 million or 29% of revenue compared to $6.4 million or 26% of revenue for the same period last year. Net income was $5.9 million in 2015 compared to $4.1 million in 2014. Combined non-GAAP diluted earnings per share were $0.24 in the fourth quarter of 2015 compared to $0.17 in 2014.

For the full year of 2016, effective income tax rate is expected to remain constant at 35.6%. Depreciation expense is expected to continue at approximately 4% of revenue.