title: Improving mental wellbeing among university students via a smartphone application based on Acceptance and Commitment Therapy

authors: Li, Fengshan

abstract: The number of university students experiencing mental disturbances is increasing. Due to the impact it has on students’ academic life, there is a need for an efficient, convenient, and cost- effective intervention which can be widely applied to university populations. Acceptance and
Commitment Therapy (ACT) is an effective behavioural treatment for a range of psychological disorders. ACT has a transdiagnostic feature, as it focus on educating individuals to be aware of their internal experiences, such as thoughts and feelings and to accept them, instead of suppressing or avoiding them. The fundamental goal of ACT is to promote individuals’ psychological flexibility when faced with challenging events by addressing their valued life goals. ACT CompanionTM app is an ACT-based smartphone app which incorporates exercises to assist users achieve their treatment goals. I used a single- subject design to examine the efficacy of the ACT CompanionTM app in reducing measures of stress, anxiety, depression, and psychological flexibility for 9 university participants. Graphs showed that app use lowered daily stress levels for all participants. At a group level, there was a significant decrease in anxiety, stress, depressive symptoms, and negative emotions. However, no significant effect of app use on mindfulness and psychological flexibility. Overall, the results suggest that the ACT CompanionTM app is a promising approach for improving mental wellbeing among university students.

text: Improving mental wellbeing among university students via a smartphone application based on Acceptance and Commitment Therapy The number of university students experiencing mental disturbances is increasing. Due to the impact it has on students’ academic life, there is a need for an efficient, convenient, and cost- effective intervention which can be widely applied to university populations. Acceptance and
Commitment Therapy (ACT) is an effective behavioural treatment for a range of psychological disorders. ACT has a transdiagnostic feature, as it focus on educating individuals to be aware of their internal experiences, such as thoughts and feelings and to accept them, instead of suppressing or avoiding them. The fundamental goal of ACT is to promote individuals’ psychological flexibility when faced with challenging events by addressing their valued life goals. ACT CompanionTM app is an ACT-based smartphone app which incorporates exercises to assist users achieve their treatment goals. I used a single- subject design to examine the efficacy of the ACT CompanionTM app in reducing measures of stress, anxiety, depression, and psychological flexibility for 9 university participants. Graphs showed that app use lowered daily stress levels for all participants. At a group level, there was a significant decrease in anxiety, stress, depressive symptoms, and negative emotions. However, no significant effect of app use on mindfulness and psychological flexibility. Overall, the results suggest that the ACT CompanionTM app is a promising approach for improving mental wellbeing among university students.

year: 2018

title: New Options for Hoeffding Trees

authors: Pfahringer, Bernhard

subjects: computer science

abstract: Hoeffding trees are state-of-the-art for processing high-speed data streams. Their ingenuity stems from updating sufficient statistics, only addressing growth when decisions can be made that are guaranteed to be almost identical to those that would be made by conventional batch learning methods. Despite this guarantee, decisions are still subject to limited lookahead and stability issues. In this paper we explore Hoeffding Option Trees, a regular Hoeffding tree containing additional option nodes that allow several tests to be applied, leading to multiple Hoeffding trees as separate paths. We show how to control tree growth in order to generate a mixture of paths, and empirically determine a reasonable number of paths. We then empirically evaluate a spectrum of Hoeffding tree variations: single trees, option trees and bagged trees. Finally, we investigate pruning. We show that on some datasets a pruned option tree can be smaller and more accurate than a single tree.

text: New Options for Hoeffding Trees Hoeffding trees are state-of-the-art for processing high-speed data streams. Their ingenuity stems from updating sufficient statistics, only addressing growth when decisions can be made that are guaranteed to be almost identical to those that would be made by conventional batch learning methods. Despite this guarantee, decisions are still subject to limited lookahead and stability issues. In this paper we explore Hoeffding Option Trees, a regular Hoeffding tree containing additional option nodes that allow several tests to be applied, leading to multiple Hoeffding trees as separate paths. We show how to control tree growth in order to generate a mixture of paths, and empirically determine a reasonable number of paths. We then empirically evaluate a spectrum of Hoeffding tree variations: single trees, option trees and bagged trees. Finally, we investigate pruning. We show that on some datasets a pruned option tree can be smaller and more accurate than a single tree.

year: 2007

title: Cultural justice and ethics: From within

authors: Garner, Kerin

subjects: Maori

abstract: Where I eventually got a lot of support, awhi, aroha, was from the PPTA when I became a member of Te Huarahi and they helped to see me through the tears and the confusion. It wasn’t because I was Maori, it was because I was a human being. I think the process I have gone through is a process of becoming human, and becoming real in thinking; yes, my experience is valid. I’m not just Maori, I’m Pakeha too. I want both of them, I am both of them. I don’t have to get up and speak fluent Maori right now. Perhaps it will come. I hope it does because I want it to, and I’m going to work on it. But I do feel that people like me, and there are many of us, are not marginal. We are bridges between cultures. This diversity has to be acknowledged, honoured and respected.

text: Cultural justice and ethics: From within Where I eventually got a lot of support, awhi, aroha, was from the PPTA when I became a member of Te Huarahi and they helped to see me through the tears and the confusion. It wasn’t because I was Maori, it was because I was a human being. I think the process I have gone through is a process of becoming human, and becoming real in thinking; yes, my experience is valid. I’m not just Maori, I’m Pakeha too. I want both of them, I am both of them. I don’t have to get up and speak fluent Maori right now. Perhaps it will come. I hope it does because I want it to, and I’m going to work on it. But I do feel that people like me, and there are many of us, are not marginal. We are bridges between cultures. This diversity has to be acknowledged, honoured and respected.

year: 1993