According to lead researcher Ethan Peterson, the experiment with the Big Red Ball confirmed the theory regarding the Parker Spiral model
JU, "Equivalent pipe algorithm for metal spiral casing and its application in hydraulic transient computation based on equiangular spiral model
The Spiral model
starts at the center of the area to cover and then gradually moves to the periphery of the scenario following a spiral pattern.
(Roger Pressman) a traditional risk analysis model uses risk analysis technique but suits for small projects due to its cost and expertise.
This paper proposed a model based on the Nonaka Knowledge Spiral model
to support business managers to capture knowledge about disabled person's online shopping behaviors; supplement this knowledge into their website to support disabled persons.
They discuss working with refugee children in Australia and Chinese-American children in New York, the debate on art therapy and cultural diversity, indigenous inner-Mongolian dance, the use of dance and movement with Arabic women in Jerusalem and people who have survived torture, the use of drama in the Netherlands and with Jewish women in Jerusalem, drama and the therapeutic spiral model
, the use of music and other creative arts in China, the use of SoulCollage to treat depression, the use of play therapy in Appalachia and with different races, the use of stories with children with learning disabilities, and creative arts in supervision.
Bu nedenle bumerang modelinin daha gelistirilmisi olarak tanimlayabilecegimiz sarmal model (spiral model
The article proposes a systemic-cybernetic process model, which is a composition of Stafford Beer's viable system model (VSM) and Barry Boehm's spiral model
to understand and improve programming practice in such environments.
Agile has its foundation in the Spiral Model
. The Spiral Model
, defined by Barry Boehm of TRW in 1998, is also an iterative process combining the waterfall method with prototyping.
Boehm himself warned of "hazardously distinct" spiral model
imitations, and in his own words described his vision of the spiral process:
Kort, Reilly and Picard (2001) proposed a four quadrant learning spiral model
in which emotions change when the learner moves through the quadrants and up the spiral.
He knows how to inspire people, and he has a spiral model
for nonprofit management that he explains like the hour hand making its way around a clock.