Consumers Attitudes 21 Consumption (Economics) 21 Marketing 17 Mathematical models 16 Marketing research 13 Consumer behavior 12 Research 11 Motivation research (Marketing) 8 Economic conditions 7 Retail trade 7 Income 6 Social aspects 6 Consumer protection 5 Periodicals 5 Congresses 4 Consumer education 4 Cost and standard of living 4 Durable goods, Consumer 4 Advertising 3 Home economics 3 Industries 3 Market surveys 3 National income 3 Psychological aspects 3 Public opinion 3 Saving and investment 3 Shopping centers 3 Social conditions 3 Statistics 3