In as product become part of their surrounding.

In
recent years, the physical appearance of products has a reflective consequence
in the way that the products are perceived. The design of a product regulates
users’ first impression and how they can communicate with the product. In
addition, the design of a product will create user interpretations regarding
product attributes (Berkowitz, 1987; Bloch, 1995; Pilditch, 1976). The design
of product will become comprehensible to someone. Users will evaluate the
product regarding to the functional, aesthetic, symbolic or ergonomic purpose
(Krippendorf 1989). According to Pye (1978), aesthetic characteristics
influences help the product become a long lasting and durable so that it is not
quickly discarded and also can create emotional connections with users as
product become part of their surrounding. These reason causes in the overall of
product appraisal. Creusen and
Schoormans, (2005) suggested that
contemporary looks of a product have a good effect on appraisal when users are inspired
to evaluate a product on its aesthetics. Product appearance can deliver value
to itself; many people tend to buy a product that looks aesthetically pleasing.
In order to represent a conceptual solution to a social need, industrial
designers need to create and shapes product to be understood as an artificial
process that aims to synchronize various physical design factors (Rosenman and
Gero, 1998). Recent trends show design has been seen as more than as a function
but also able to determine characteristics, known as product personality, which
bring emotional pleasure to users (Govers,
Hekkert and Schoormans, 2003). Designers face the difficulty to integrate a meaning
in future product design. Users could have problems assessing the product and
less of product appreciations while the product meaning that communicated are
not clear. Therefore, it’s far vital to provide designers with guidelines that
may be use at the start state of the design process or in product assessment
studies.

            Emotion factors are important role as functional aspects of
product interaction. Emotions play a vital part in people’s lives as they
guide, enrich and enable life; provide meaning to everyday existence (Cacioppo
et al., 2001, in Desmet, 2002). According to  (Diener and Lucas 2000), studies have shown
that a person’s general experience of behavior is causes by their daily felt
emotions. Users emotions have been an essential element of product design dissertation
since the late 1980s. Users have to accept a concept of design that
acknowledges the different aspects of product design, for example aesthetics,
functional and communicative relationships among them, different product
aspects play different product role. Veryzer (1995) suggest that despite the
fact that the roles are different but frequently interrelated bases of
interaction between user and product. Oatley and Duncan (1992) stated that
designers might find it sensible to design for emotions that appeal users
intention. Emotional responses can stimulate users to select a particular
object from a row of similar products and will consequently have a considerable
influence on purchase decisions. As a result, more manufacturers currently
challenge designers to manipulate the emotional influence of their designs or
to design for emotion.

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            Perceived quality is usually controlled
by multi-dimensional concepts, each measurement requires the designing of
effective scale. According to Kumar et al., (2009), researchers recognize
perceived quality as a cognitive response of a product which influences to
product purchase intention. Steenkamp (1990), stated that perceived quality is
refer to indirect intention among product features and user orientation, which
means product’s quality checks by user through some perceive quality points
that are different from each one. Zeithmal, Parasuraman, and Berry (1990)
suggest that user satisfaction regarding services providers influenced from the
user expectation in delivering services quality. Jacoby and Olson (1985) indicated
that perceived quality has been acknowledged as the main driver of purchase
intention. There is the common meaning shared of the definitions as perceived
quality is the user’s perception of overall components of product both tangible
and intangible characteristics. It also includes Garvin’s eight dimensions of
quality, as a framework-conceptualizing user needs namely performance, features,
reliability, conformance, durability, serviceability, and aesthetics.
Therefore, perceived quality can be defined as judgment about a product or
services as quality can be described in terms of the moment at which the user receives
information about the characteristics of the products.

      Sustainability design
is not essentially about new technologies, but about reconsidering how to meet
the need for growth and decreasing negative impacts at the same moment. The idea
of sustainability is becoming progressively important all over the world by involves
incorporated approach indicators that link a community’s economy, environment
and society. According to Rahimifard (2007), new definition of three dimensions
of sustainability as development the link between economical and environmental
through social standards. McLennan (2004) defines sustainable design as design
philosophy that pursues to minimize negative impact to the natural environment
through skillful, sensitive design. Thus, there is need to make all industrial
products and processes ‘sustainable’, and also good for human behaviors. A
product’s impacts positive and negative throughout its lifecycle are largely
determined by decisions during product development (Roozenburg and Eekels 1995,
Charter and Chick 1997, Ritze?n 2000). It is imperative for designers to
integrate a sustainability perspective in methods and tools for product
development at the early stage.