title: Evaluating Flipped Classrooms with respect to Threshold Concepts Learning in Undergraduate Engineering

authors: Khoo, Elaine G.L.

abstract: This paper reports on the initial findings from a two year (2015-2016) investigation of the impact of the flipped classroom on student learning of threshold concepts (TCs) in a large introductory undergraduate engineering course at a New Zealand university. As part of the flipped class intervention trialed over a threeweek period, a series of short themed video lectures were developed as a replacement for the traditional weekly lectures. The weekly practical lab session were redesigned to incorporate small-group problem solving tasks and assessment. Data from student surveys, interviews, class observations, and video analytics were collected and analyzed. Findings revealed that students were familiar with online videos as a learning resource; they had positive past experiences with using them and were willing to participate in a flipped classroom. However, most students did not watch all assigned weekly videos, including ones crucial to their TC learning. There is indication they thought learning strategies involving interactions with real persons to be more useful to their learning. This suggests that current strategies for motivating students to access and engage with the prepared videos need to be revised to maximize students’ learning opportunities.

text: Evaluating Flipped Classrooms with respect to Threshold Concepts Learning in Undergraduate Engineering This paper reports on the initial findings from a two year (2015-2016) investigation of the impact of the flipped classroom on student learning of threshold concepts (TCs) in a large introductory undergraduate engineering course at a New Zealand university. As part of the flipped class intervention trialed over a threeweek period, a series of short themed video lectures were developed as a replacement for the traditional weekly lectures. The weekly practical lab session were redesigned to incorporate small-group problem solving tasks and assessment. Data from student surveys, interviews, class observations, and video analytics were collected and analyzed. Findings revealed that students were familiar with online videos as a learning resource; they had positive past experiences with using them and were willing to participate in a flipped classroom. However, most students did not watch all assigned weekly videos, including ones crucial to their TC learning. There is indication they thought learning strategies involving interactions with real persons to be more useful to their learning. This suggests that current strategies for motivating students to access and engage with the prepared videos need to be revised to maximize students’ learning opportunities.

year: 2015

title: A low frequency supercapacitor circulation technique to improve the efficiency of linear regulators based on LDO ICs

authors: Kularatna, Nihal

subjects: converters

abstract: Linear regulators have output specifications far superior to switch-mode techniques, except for the overall efficiency. This efficiency limitation can be overcome by applying a very low frequency supercapacitor circulation technique at the input side of a low dropout regulator IC. The technique was proven in 12V to 5 V versions, and, can be easily applied to other power supplies such as 5 to 3.3V or 5 to 1.5V versions required by various processors. The paper outlines the concepts and experimental results related to this technique. With the commercial LDO chips available with output current ratings up to 10A, and, thin profile supercapacitors available are with DC voltage ratings from 2.3V to 5.5V, the technique assists developing medium current linear regulators which could compete with present day switch-mode power supplies in efficiency and compactness, maintaining the superior output specifications of a linear regulator.

text: A low frequency supercapacitor circulation technique to improve the efficiency of linear regulators based on LDO ICs Linear regulators have output specifications far superior to switch-mode techniques, except for the overall efficiency. This efficiency limitation can be overcome by applying a very low frequency supercapacitor circulation technique at the input side of a low dropout regulator IC. The technique was proven in 12V to 5 V versions, and, can be easily applied to other power supplies such as 5 to 3.3V or 5 to 1.5V versions required by various processors. The paper outlines the concepts and experimental results related to this technique. With the commercial LDO chips available with output current ratings up to 10A, and, thin profile supercapacitors available are with DC voltage ratings from 2.3V to 5.5V, the technique assists developing medium current linear regulators which could compete with present day switch-mode power supplies in efficiency and compactness, maintaining the superior output specifications of a linear regulator.

year: 2011

title: E Tama Hikairo

authors: Maxwell, Te Kahautu

abstract: E Tama Hikairo was composed to welcome Kīngi Tūeheitia's the Māori Kings first grandchild that was born in September 2014. Kīngi Tūheitia had Te Haahi Ringatū tūā (Christen) Hikairo. This composition talks about the royal genealogy of Hikairo that links him to all the iwi of the land and his special place in Te Haahi Ringatū. This item placed first overall in the choral section. This item was performed by Ōpōtiki Mai Tawhiti at Te Matatini the World Championship Kapa Haka Championship.

text: E Tama Hikairo E Tama Hikairo was composed to welcome Kīngi Tūeheitia's the Māori Kings first grandchild that was born in September 2014. Kīngi Tūheitia had Te Haahi Ringatū tūā (Christen) Hikairo. This composition talks about the royal genealogy of Hikairo that links him to all the iwi of the land and his special place in Te Haahi Ringatū. This item placed first overall in the choral section. This item was performed by Ōpōtiki Mai Tawhiti at Te Matatini the World Championship Kapa Haka Championship.

year: 2015-01-22