E-WOM DAVRANIŞINI KİM SERGİLER? E-SADAKATİN, DEMOGRAFİKLERİN, ZİYARET SIKLIĞININ VE ÜRÜN KATEGORİSİNİN ROLÜ

Öz

Tüketiciler, ister olumlu isterse de olumsuz olsun, satın alma sonrası deneyimlerini WOMAğızdan ağıza pazarlama paylaşma eğilimindedir. İnternet teknolojisiyle birlikte, WOM davranışı çevrimiçi platformlarda da yapılmaya başlamış eWom ve eWOM, oldukça etkili bir iletişim yolu haline gelmiştir. Bu çalışmanın temel amacı, eWOM davranışının öncüllerini ortaya koymaktır. Bu bağlamda, demografik özelliklere ek olarak, e-sadakat, e-perakendeci ziyaret sıklığı ile en çok satın alınan ürün gibi faktörler eWOM oluşumu açısından incelenmiştir. Internet ortamında yapılan kolayda örnekleme ile Ocak 2019 Şubat 2019 tarihleri arasında toplam 296 kişiye erişim sağlanmıştır. IBM SPSS 22 istatistik yazılımı kullanılmış ve çoklu regresyon modeli uygulanmıştır. Bağımsız değişkenler e-Wom davranışını ,42 değerindeki bir R2 değeri ile açıklamıştır. Araştırmada, 36-45 yaş grubundaki katılımcılarla karşılaştırıldığında, genç katılımcılarına WOM davranışını daha az oranda sergilediği gözlenmiştir. Internet ortamında, kitap ve CD ile elektronik ürün satın alan tüketicilerin, giyim eşyası alan tüketicilere kıyasla eWOM davranışını daha fazla bir oranda sergiledikleri görülmüştür. Son olarak, araştırma bulguları, çevrimiçi perakendecileri daha az ziyaret edenlerin daha az eWOM davranışı gösterdiğini ortaya koymuştur

Anahtar Kelimeler

• Elektronik ağızdan ağıza iletişim,demografik özellikler,online satın alma,e-sadakat,e-perakendeci

WHO IS ENGAGED IN E-WOM? ROLE OF E-LOYALTY, DEMOGRAPHICS, VISIT FREQUENCY AND PRODUCT CATEGORY

Öz

Consumers tend to share their post-purchase experiences WOM- Words of Mouth with others regardless of whether the experiences are positive or negative. With the advancement of internet technology, WOM behavior has shifted to online platforms eWOM and eWOM has become an extremely effective way of communication. The main purpose of this study is to unveil the antecedents of eWOM behavior. In this respect, the role of e-loyalty in addition to demographics and other relevant factors such as e-retailer visit frequency and consumer’s mostly purchased product online in eWOM behavior was examined. A total of 296 individuals were accessed beginning from January 2019 to February 2019 through online convenience sampling. IBM SPSS 22 statistical software was used and multiple regression models was applied. The independent variables were able to explain the eWOM behavior with a R2value of.42. Compared to participants who belonged to 36-45 age group, younger participants were less likely engaged in eWOM behavior. Consumers who mostly purchased books, CDs, and electronic goods were more likely engaged in eWOM behavior, compared to consumers making apparel purchases online. Finally, findings also revealed that the less the consumers visited online e-retailers, the less these eWOM behaviors were displayed

Anahtar Kelimeler

• Electronic word of mouth,demographics,online buying,e-loyalty,e-retailer

Kaynakça

1. Al M., A. M. and Mirza, A. A. (2013). The Impact of Electronic Word of Mouth on Consumers’ Purchasing Decisions. International Journal of Computer Applications, 82(9): 24-28.
2. Alexandrov, A., Lilly, B. and Babakus, E. (2013). The Effects of Social- And Self-Motives on The Intentions To Share Positive And Negative Word of Mouth. Journal of the Academy of Marketing Science, 41(5): 531- 546.
3. Anastasiei, B., and Dospinescu, N. (2019). Electronic Word-of-Mouth for Online Retailers: Predictors of Volume and Valence. Journal of Sustainability 11(3): 814-815.
4. Arndt, J. (1967a). Role of Product-Related Conversations in the Diffusion of a New Product. Journal of Marketing Research, 4(3): 291-295.
5. Bhandari, M., and Rodgers, S. (2018). What Does the Brand Say? Effects of Brand Feedback to Negative E-wom on Brand Trust and Purchase Intentions. International Journal of Advertising-The Review of Marketing Communications, 37(1): 127-129.
6. Bansal, H.S. and P. Voyer. (2000). Word-of-Mouth Processes Within A Services Purchase Decision Context. Journal of Service Research, 3(2): 166-77.
7. Beyari,H., and Ghouth, A. (2018). Customer Experience in Social Commerce Websites: Toward an Integrated Conceptual Framework. Journal of Management Research, 10(3): 54-56.
8. Bickart, B. and Schindler, R. M. (2001). Internet Forums as Influential Sources of Consumer Information. Journal of Interactive Marketing, 15(3): 31-40.

9. Bone, P.F. (1995). Word-of-Mouth Effects on Short-Term and Long-Term Product Judgment. Journal of Business Research, 32(3): 213-223.
10. Brown, Jacqueline J. and Reingen, Peter H. (1987). Social Ties and Word-of- Mouth Referral Behavior. Journal of Consumer Research, 14(3): 350- 362.
11. Brown, J.; Broderick, A. J. and Lee, N. (2007). Word of Mouth Communication Within Online Communities: Conceptualizing the Online Social Network. Journal of Interactive Marketing, 21(3): 2-20.
12. Buttle, F.A. (1998). Word of Mouth: Understanding and Managing Referral Marketing. Journal of Strategic Marketing, 6(3): 241-254.
13. Bauer, H., Grether, M. and Leach, M. (2002), Building Customer Relations Over the Internet. Industrial Marketing Management; 31(2): 155-163.
14. Blackshaw, P. and Nazzaro, M. (2006). Consumer-Generated Media (CGM) 101: Word-of-Mouth in the Age of the Web-Fortified Consumer. Nielsen Buzz Metrics, (http://www.nielsenonline.com/downloads/us/buzz/nbzm_wp_CGM101).
15. Bozbay, Z., Yaman, Y. and Özkan, E. (2016). İnternet Perakendeciliğinde Hizmet Kalitesinin Müşteri Memnuniyeti Üzerindeki Rolü: Hazır Giyim ve Kitap Sektörü Üzerine Karşılaştırmalı Bir Araştırma. Journal of Transportation and Logistics, 1(1): 280-285.
16. Burmann, C. (2010). A Call for “User-Generated Branding. Journal of Brand Management. 18(1): 1-4.
17. Carl, W. J. (2006). What‘s All The Buzz About? Everyday Communication and The Relational Basis of Word-of-Mouth And Buzz Marketing Practices. Management Communication Quarterly, 19(4): 601-634.
18. Castells, M. (2000). Materials for an Exploratory Theory of the Network Society. British Journal of Sociology, 51(1): 5-24.
19. Charlett, D. and R. Garland. (1995). How Damaging is Negative Word-of-Mouth?, Marketing Bulletin, 6:May: 42-50.
20. Chen, Y., Liu, F., Fang, C.H. and Lin, T.M.Y. (2012). Understanding The Effectiveness of Word of Mouth: An Elasticity Perspective. Journal of Research in Interactive Marketing, 7(1): 57-77.
21. Chien-Tao, C.J. (2008). Word of Mouth Effects: Comparing Taiwanese an American Consumers, San Fransisco, California: Golden Gate University.
22. Chitturi, R., R. Raghunathan and V. Mahajan. (2008). Delight by Design: The Role of Hedonic Versus Utilitarian Benefits. Journal of Marketing, 72: 48- 63.
23. Chu, S.C., and Kim, J. (2018). The Current State of Knowledge on Electronic Word-Of-Mouth in Advertising Research. International Journal of Advertising-The Review of Marketing Communications, 37(1): 1-3.
24. Chung, K., and Shin, J. (2010). The Antecedents and Consequents of Relationship Quality in Internet Shopping. Asia Pacific Journal of Marketing Logistic, 22: 473-491.
25. Cop, R, Şen, F. and Gümüş, N. (2009). The Effect of Word of Mouth Communications on Consumers Purchasing Decisions: In a Globalized World a Case Study From Turkey. 5th. International Strategic Management Conference, July, South Africa, Proceedings: 473- 480.
26. Çakirkaya, M. (2016). Viral Pazarlama - Y Neslinin Perakende Risk Algısı ve Mağaza Sadakati. Konya: Eğitim Kitabevi.
27. Çetin, G. and Dinçer, F.I. (2014). Electronic Word of Mouth Among Hotel Guests: Demographic and Tripographic Factors. Bilgi Ekonomisi ve Yönetimi Dergisi, 9(2): 35-41.
28. Dave, B. (2007). Word of Mouth Marketing-İstanbul: Mediacat
29. Derakhshanfar, R.,and Hasanzadeh, M. (2016). The Impact of Customer Experience and Satisfaction on Loyalty and Word of Mouth Advertising in a Samen Credit Institution of Rasht. International Journal of Humanities and Cultural Studies, 1: 1398-1406.
30. Dick, Alan S. and Basu, K. (1994). Customer Loyalty: Toward an Integrated Conceptual Framework. Academy of Marketing Science Journal, 22(2): 99-113.
31. Dellarocas, C. (2003). The Digitization of Word of Mouth: Promise and Challenges of Online Feedback Mechanisms. Management Science, 49(10): 1407- 1424.
32. De Matos, A. and Rossi. C. (2008). Word-Of-Mouth Communications in Marketing: A Meta- Analytic Review of The Antecedents and Moderators. Journal of the Academy of Science. 36: 578-596.
33. Duhan, D.F., Johnson, S.D, Wilcox, J.B. and Harrell, G.D. (1997). Influence on Consumer Use of Word-of-Mouth Recommendation Sources. Academy of Marketing Science, 25(4) :283-295.
34. Ennew, Christine T, Banerjee, Ashish K. and Li, Derek. (2000). Managing Word of Mouth Communication: Empirical Evidence from India. International Journal of Bank Marketing, 18(2): 75-83.
35. East, R.; Hammond, K. and Wright, M. (2007). The Relative Incidence of Positive and Negative Word of Mouth: A Multi-Category Study. International Journal of Research in Marketing, 24(2): 175-184.
36. Erkan, İ. and Evans, C. (2018). Social Media or Shopping Websites? The Influence of Ewom on Consumers’ Online Purchase Intentions. Journal of Marketing Communications. 24(6): 617-632.
37. Faber, Ronald J., Lee, M and Nan, X. (2004). Advertising and the Consumer Information Environment Online. American Behavioral Scientist, 48(4): 447-466.
38. Fang, C.H., Lin, T.M., Liu, F. and Hsiang Lin, Y. (2011). Product Type and Word of Mouth: A Dyadic Perspective. Journal of Research in Interactive Marketing, 5(2): 189-202.
39. Ferguson, R.J., Paulin, M. and Leiriao, E. (2007). Loyalty and Positive Word-of- Mouth: Patients and Hospital Personnel as Advocates of A Customer-Centric Health Care Organization. Health Marketing Quarterly, 23(3): 59-78.
40. Ferris-Costa, F., (2011). eWOM via Mavens, Buzz Agents, and Followers, University of Rhode Island: 2-5.
41. Ganesh, J., Reynolds, K.E. and Luckett, M.G. (2007). Retail Patronage Behavior and Shopper Typologies: A Replication and Extension Using A Multi- Format, Multi-Method Approach. Journal of the Academy of Marketing Science, 35(3): 369-381.
42. Grewal, R., Cline, T. W. and Davies, A. (2003). Early Entrant Advantage, Word- of-Mouth Communication. Brand Similarity and the Consumer Decision- Making Process. Journal of Consumer Psychology, 3: 187-197.
43. Gilly, M.C., Graham, J.L., Wolfinbarger, M.F. and Yale, L.J. (1998). A Dyadic Study of Interpersonal Information Search. Journal of the Academy of Marketing Science, 26(2): 83-100.
44. Habibi, M. R., Laroche, M. and Richard, M.O. (2014a). The Roles of Brand Community and Community Engagement in Building Brand Trust on Social Media. Computers in Human Behavior, 37: 152-161.
45. Hagel, J., I., and Armstrong, Arthur G. (1997). Net Gain: Expanding Markets through Virtual Communities, Boston, Massachusetts: McKinsey and Company, Inc.
46. Halstead, D. (2002). Negative Word of Mouth: Substitute for or Supplement to Consumer Complaints? Journal of Consumer Satisfaction Dissatisfaction and Complaining Behavior. 15: 1-12.
47. Hair, J.F., Anderson, R.E., Babin, B.J. and Black, W.C., (2010). Multivariate Data Analysis: A Global Perspective.
48. Harrison-Walker, L.Jean. (2001). E-Complaining: A Content Analysis of an Internet Complaint Forum. Journal of Services Marketing. 15(5): 397- 412. istanbul Ticaret Odası, (İTO) Sorularla Müşteri İlişkileri Yönetimi, İstanbul.
49. Hennig, T. H., Gwinner, K. P., Walsh, G. and Gremler, D. (2004). Electronic Word- of-Mouth via Consumer-Opinion Platforms: What Motivates Consumers to Articulate Themselves on The Internet? Journal of Interactive Marketing, 18(1): 38-52.
50. Herr, P.; Kardes, Frank and Kim, J. (1991). Effects of Word-of-Mouth and Product- Attribute Information of Persuasion: An Accessibility-Diagnosticity Perspective. Journal of Consumer Research, 17(4): 454-462.
51. Higie, R.A., Feick, L.F. and Price, L.L. (1987). Types and Amount of Word-Of- Mouth Communications About Retailers. Journal of Retailing, 63: 260-78.
52. Hsieh, J.K., Hsieh, Y.C. and Tang, Y.C. (2012). Exploring The Disseminating Behaviors of e-WOM Marketing: Persuasion in Online Video. Electronic Commerce Research, 12(2): 201-224.
53. Hsu, L.C., (2018). Investigating Effect of Service Encounter, Value, and Satisfaction on Word of Mouth: An Outpatient Service Context. International Journal of Environmental Research and Public Health, 15(1): 2-5.
54. Jansen, J. (2010). Online Product Research. Pew Research Center’s Internet and American Life Project, Washington, D.C.
55. Jones, K. O., Denham, B. E., and Springston, J. K. (2006). Effects of Mass and Interpersonal Communication on Breast Cancer Screening: Advancing Agenda-Setting Theory In Health Contexts. Journal of Applied Communication Research. 34 (1): 94-113.
56. Judd, C. M., and McClelland, G. H. (1989). Data Analysis: A Model Comparison Approach. San Diego, CA: Harcourt, Brace, Jovanovich.
57. Japutra, A, Ekinci, Y. and Simkin, L. (2014). Exploring Brand Attachment, its Determinant and Outcomes. Journal of Strategic Marketing, 22: 616- 630.
58. Kalpaklıoğlu, N. U., and Toros, N. (2011). Viral Marketing Techniques Within Online Social Network. Journal of Yaşar University, 24(6): 4112-4129.
59. Keller, E. and Berry, J,. (2006). Word-of-Mouth: The Real Action is Offline. Advertising Age, 77,20.http://adage.com/article/print-edition/word-mouth- real-action-offline/113584/: 12.05.2019.
60. Khan, M.M and Hasmi, H.B.A. (2016). Impact of Interactivity of Electronic Word of Mouth Systems and Website Quality on Customer E-Loyalty. Pakistan Journal of Commerce and Social Sciences, 10(3): 486-504.
61. Kimbrough, A.M.; Guadagno, R.E.; Muscanell, N.L.; Dill, J. (2013). Gender Differences in Mediated Communication: Women Connect More Than Do Men. Computer and Human Behavior, 29: 896-900.
62. Kemp, E. and Bui, M. (2011). Healthy Brands: Establishing Brand Credibility, Commitment and Connection among Consumers. Journal of Consumer Marketing, 28(6): 429-437.
63. Kılıçer, T. (2006). Tüketicilerin Satın Alma Kararlarında Ağızdan Ağıza İletişimin Etkisi: Anadolu Üniversitesi Öğretim Elemanları Üzerinde Bir Araştırma Basılmamış Yüksek Lisans Tezi, Eskişehir.
64. Kılınç,K. (2018). Ağizdan Ağiza İletişim Literatür İncelemesi. Akademik Sosyal Araştırmalar Dergisi, 6(72): 214-248.
65. Kitapçi, O., Taştan, S., Dörtyol, İ.T., Ve Akdoğan, C. (2012). Ağızdan Ağıza Çevrimiçi İletişimin Otellerdeki Oda Satışlarına Etkisi Üzerine Bir Araştırma. Doğuş Üniversitesi Dergisi, 13 (2): 266-274.
66. Kozinets, Robert V. (1999). E-Tribalized Marketing? The Strategic Implications of Virtual Communities of Consumption. European Management Journal, 17(3): 252-264.
67. Laboy F, Torchio, P. (2007). Web 2.0 for the Travel Marketer and Consumer: A White Paper. E-Site Marketing and The International Association of Online Communicators. http://www.esitemarketing.com/web2-travel- marketing.php.
68. Lang, A. (2006). Using the Limited Capacity Model of Motivated Mediated Message Processing to Design Effective Cancer Communication Messages. The Journal of Communication, 56: 57-60.
69. Lee, S. Y. and Lee, S. (2016). The Influence of Masculinity And Femininity in Responses to Sex Appeal Advertising. Journal of Global Fashion Marketing. 7(4): 266-277.
70. Li, Y., Wang, X. and Yang, Z. (2011). The Effects of Corporate Brand Credibility, Perceived Corporate-Brand Origin, and Self-Image Congruence on Purchase Intention: Evidence from China’s Auto Industry. Journal of Global Marketing, 24(1): 58-68.
71. Litvin S.; Goldsmith R.E., and Pan, B. (2008). Electronic Word-of-Mouth in Hospitality and Tourism Management. Tourism Management, 29(3): 458-468.
72. Marangoz, M. (2007). Ağızdan Ağıza İletişimin Müşterilerin Satın Alma Davranışlarına Etkileri: Cep Telefonu Pazarına Yönelik Bir Araştırma. Çukurova Üniversitesi Sosyal Bilimler Enstitüsü Dergisi, 16(2): 395-412.
73. Maisam, S. and Masha, R. (2016). Positive Word of Mouth Marketing: Explaining The Roles of Value Congruity And Brand Love. Journal of Competitiveness, 8: 19-37.
74. Mazzarol, T., Sweeney, J. and Soutar, G. (2007). Conceptualizing Word-of-Mouth Volume, Triggers and Conditions: An exploratory study. European Journal of Marketing, 41(11/12): 1475-1494.
75. Mitchell, V.W. and Walsh, G. (2004). Gender Differences in German Consumer DecisionMaking Styles. Journal of Consumer Behavior, 3(4): 331-346.
76. Morgan, N. J., Pritchard, A., and Piggott, R. (2003). Destination Branding and Role of The Stakeholders: The Case of New Zealand. Journal of Vacation Marketing, 9(3): 285-299.
77. Murray, Keith B. (1991). A Test of Services Marketing Theory: Consumer Information Acquisition Activities. Journal of Marketing, 55(1): 10-25.
78. Nikhashemi, S. R.; L. Haj Paim and Ali Khatibi. (2015). The Role of Brand Loyalty in Generating Positive Word of Mouth among Malaysian Hypermarket Customers. World Academy of Science, Engineering and Technology. International Journal of Economics and Management Engineering. 9(5): 1647-1652.
79. Oliver, R.L. (1999). Whence Customer Loyalty? Journal of Marketing, 63(4): 33-44.
80. Park, D., and Kim, S. (2008). The Effects of Consumer Knowledge on Message Processing of Electronic Word-of-Mouth via Online Consumer Reviews. Electronic Commerce Research and Applications, 7: 399-410.
81. Pan, B., Mac Laurin T. and Crotts J. (2007). Travel Blogs and Their Implications for Destination Marketing. Journal of Travel Research, 46(1): 35-45.
82. Park, D-H., Lee, J. and Han, I. (2007). The Effect of On-Line Consumer Reviews on Consumer Purchasing Intention: The Moderating Role of Involvement. International Journal of Electronic Commerce, 11(4): 125-148.
83. Park, J. H; Bin, G. and Hoon,Y. Lee. (2012). The Relationship Between Retailer- Hosted and Third-Party Hosted WOM Sources and Their Influence on Retailer Sales. Electronic Commerce Research and Applications, 11(3): 253-61.
84. Ratchford, B.T.; Talukdar, D. and Lee, M.S. (2001). A Model of Consumer Choice of the Internet as an Information Source. International Journal of Electronic Commerce, 5(3): 7-22.
85. Rialti, R., Zollo, L., Caliandro, A. and Ciappei, C. (2017b). Exploring The Link Social Media Fashion Management Conference at Vienna: 494-500. availableat: https:// doi.org/10.15444/GFMC2017.06.05.01
86. Roy, C. K.; Cordy, J. R., and Koschke, R. (2009). Comparison and Evaluation of Code Clone Detection Techniques and Tools: A Qualitative Approach. Sci. Comput. Program., 74(7), 470-495. doi: 10.1016/j. scico.2009.02.007.
87. Silverman, G. (1997). How To Harness The Awesome Power of Word of Mouth. Direct Marketing, 60(7): 32-38.
88. Strebel, J., T. Erdem and J. Swait. (2004). Consumer Search in High Technology Markets: Exploring the Use of Traditional Information Channels. Journal of Consumer Psychology, 14(2): 96-104.
89. Strutton, D., Taylor, D.G. and Thompson, K. (2011). Investigating Generational Differences in e-WOM Behaviours: For Advertising Purposes, Does X= Y?. International Journal of Advertising, 30(4): 559-586.
90. Sundaram, D. S., Mitra, K. and Webster, C. (1998). Word-of-Mouth Communications: A Motivational Analysis. Advances in Consumer Research, 25: 527-531.
91. Srinivasan, S.S., Anderson, R. and Ponnavolu, K. (2002). Customer Loyalty in E-Commerce: An Exploration of its Antecedents And Consequences. Journal of Retailing, 78(1): 41-50.
92. Tayfun, A., Yildirim, M., and Kaş, L. (2013). Turistlerin Turistik Ürün Tercihlerinde Ağızdan Ağıza İletişimin Rolü: Yerli Turistler Üzerine Bir Araştırma, Journal of Tourism and Gastronomy Studies, 1(2): 26-38
93. Thorson, K. S. and Rodgers, S. (2006). Relationships Between Blogs as eWOM and Interactivity, Perceived Interactivity and Para-Social Interaction. Journal of Interactive Advertising, 6(2): 39-50.
94. Uygun, M.; Mete, S. and Güner, E. (2014). Tüketicilerin Alışveriş Motivasyonları ile Ağızdan Ağıza İletişim Davranışları Arasındaki İlişkiler. Organizasyon ve Yönetim Bilimleri Dergisi, 6(1):35-56.
95. Wals, G., K.P.Gwinner and S.R.Swanson. (2004). What Makes Mavens Tick? Exploring the Motives of Market Mavens’ Initiation of Information Diffusion. Journal of Consumer Marketing, 21(2): 109-122.
96. Wang, X., Yu, C. and Wei, Y. (2012). Social Media Peer Communication and Impacts on Purchase Intentions: A Consumer Socialization Framework. Journal of Interactive Marketing, 26(4): 198-208.
97. Wangenheim, F. V. and Bayon, T. (2004). The Effect of Word of Mouth on Services Switching: Measurement and Moderating Variables. European Journal of Marketing, 38: 1173-1185.
98. Yakın, V.(2011). İnternet Perakendeciliği ve Ağızdan Ağıza Pazarlama İlişkisi; Tuğla Duvarlar Yıkılabilir mi? Akademik Bakiş Dergisi. 27: 11-16.
99. Yang, J., Kim, W., Amblee, N. and Jeong, J. (2012). The Heterogeneous Effect of WOM on Product Sales: Why the Effect of WOM Valence is Mixed?. European Journal of Marketing, 46(11/12): 1523-1538.
100. Yeygel, S. (2006). Postmodern Toplumsal Yapının Pazarlamaya Getirdiği Yeni Boyut: Topluluk Pazarlaması (tribal marketing). Bilig Journal, 38: 197- 228.
101. Youl Ha, H. (2004). Factors Influencing Consumer Perceptions of Brand Trust Online, Journal of Product & Brand Management, 13(5): 329-342.
102. Zhang, Z., Ye, Q., Law, R., Li, Y. (2010). The Impact of E-Word-of-Mouth on the Online Popularity of Restaurants: A Comparison of Consumer Reviews and Editor Reviews. International Journal of Hospitality Management, 29(4): 694-700.
103. Zhao, Y. (2019). The Influence of Audience Involvement and Flow on Destination Image and Destination Attachment. A Thesis Presented to The University of Guelph-Guelph, Ontario, Canada, May: 18-19.