We conducted preference assessments with 4 typically developing children to identify potential reinforcers and assessed the reinforcing efficacy of those stimuli. Next, we tested two predictions of economic theory: that overall consumption (reinforcers obtained) would decrease as the unit price (response requirement per reinforcer) increased and that the cost and benefit components that defined...

Purchase of dietary supplement products is increasing despite the lack of clinical evidence to support health needs for consumption. The purpose of this crosssectional study is to examine the factors influencing consumer purchase intention of dietary supplement products in Penang based on Theory of Planned Behaviour (TPB). 367 consumers were recruited from chain pharmacies and hypermarkets in P...

The term 'existentialism* is extremely vague as is the term 'humanism*„ However, existentialism may be generally characterized as a protest against moral or physical deter­ minism in regard to man. And 'humanism', in its most general application may mean any system centered on the concepts of dignity and freedom of man. Thus Jean Paul Sartre makes his existentialism a humanism through the funda...

Munculnya isu lingkungan karena peningkatan kesadaran akan pencapaian sustainable development goals (SDGs) pada Masyarakat Indoneisa, khususnya generasi z memicu kemunculan produk-produk ramah lingkungan. Penelitian dilakukan untuk menggali faktor yang mempengaruhi keputusan pembelian atas green produk dengan memfokuskan Environmental concern, community practice, Green Product Awareness dan pri...

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Six hens pecked a key (Experiment 1) or pushed a door (Experiment 2) to obtain food reinforcement. In both experiments and as an analogue of price changes, the response requirements were varied in two ways: by increasing the number of responses required and by increasing the required force of each response. The two price manipulations (response number and response force) had different effects o...

Food systems in developing countries are undergoing a profound transformation characterized by the emergence and expansion of modern retailers and integrated supply chains. Appropriate policies are needed to guide this transformation, presupposing a good understanding of consumer preferences. We analyze consumers’ valuation of different vegetable attributes in metropolitan areas of Vietnam, usi...

Product information and price comparison apps on smartphones play an increasing role in consumers’ purchase decision process. Consumers are able to choose from a variety of product information search applications (apps) which mainly differ with respect to the information that is provided to consumers during their search process. The goal of this study is to analyze preferences regarding differe...

The integrated evaluation method is the most important tender evaluation method in material procurements. However, subjective consciousness of the evaluation experts and the weights of the technical conditions, business conditions and price conditions have excessive impact on the evaluation results, which make the process and result of tender evaluation undependable. In this paper an improved i...