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Yang J, Zhao Y. Examining bidirectional relations between sleep problems and non-suicidal self-injury/suicidal behavior in adolescents: emotion regulation difficulties and externalizing problems as mediators. Eur Child Adolesc Psychiatry 2024; 33:2397-2411. [PMID: 38150149 DOI: 10.1007/s00787-023-02334-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 11/28/2023] [Indexed: 12/28/2023]
Abstract
Based on previous empirical evidences and theoretical framework, sleep problems and non-suicidal self-injury (NSSI)/suicidal behavior may bidirectionally related to one another. However, this still needs to be examined through longitudinal research. Moreover, the mediating mechanisms accounting for their potential bidirectional relations have yet to be fully investigated. This study thus aimed to evaluate whether sleep problems and NSSI/suicidal behavior promoted each other directly or indirectly through the mediating roles of emotion regulation difficulties (ERD) and externalizing problems. A total of 1648 Chinese adolescents (48.12% boys; Mage = 13.69; SD = 0.82; Age range = 11-16 years old at T1) completed self-report measures on 3-time points across 1 year. Cross-lagged panel models were used to examine the focal longitudinal associations. Results revealed a predictive effect of sleep problems on NSSI and a positive bidirectional relation between sleep problems and suicidal behavior. Moreover, sleep problems exerted an indirect effect on NSSI through ERD, and vice versa. Additionally, both ERD and externalizing problems served as mediators in the pathway from suicidal behavior to sleep problems. This study disentangled the differential mediating roles of ERD and externalizing problems in the longitudinal associations between sleep problems and NSSI/suicidal behavior, which may help provide a more holistic theoretical framework through which to precisely identify key targets for early prevention and intervention of sleep problems and NSSI/suicidal behavior in adolescents.
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Affiliation(s)
- Jiaping Yang
- Department of Psychology, Guangzhou University, 230 Wai Huan Xi Rd, 510006, Guangzhou, China.
| | - Yinqiu Zhao
- School of Psychology, South China Normal University, 510631, Guangzhou, People's Republic of China
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Phipps DJ, Hagger MS, Mejia D, Hamilton K. Testing the Effect of Cue Consistency on the Past Behavior-Habit-Physical Activity Relationship. Behav Sci (Basel) 2024; 14:445. [PMID: 38920777 PMCID: PMC11201238 DOI: 10.3390/bs14060445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 06/27/2024] Open
Abstract
Behavior performed in the presence of consistent cues is a core element for successful habit development, with the repeated presence of consistent cues facilitating the activation of automatic responses in future. Yet, little is known about the effects of different cue types on habit. Using a two-wave prospective PLS-SEM model with a sample of 68 undergraduate students, we assessed the mediating effects of habit on the past-behavior-to-physical-activity relationship, and how the mediating effects of habit were moderated by the consistent presence of different forms of cues. Habit mediated the effects of past behavior on physical activity, with a significantly stronger mediating effect of habit in those reporting undertaking physical activity at the same time of day, doing the same activity, and in the same mood. Consistent place, people, and part of routine did not moderate the effects of habit. The results provide formative evidence for a key assertion of the habit theory that consistent contextual and internal cues are a cornerstone of habitual development and action, but they also indicate the importance of examining different forms of cues and their impact on the formation and enaction of habits as some cues may be more relevant than others.
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Affiliation(s)
- Daniel J. Phipps
- School of Applied Psychology, Griffith University, Mount Gravatt, QLD 4122, Australia; (M.S.H.); (K.H.)
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40014 Jyväskylä, Finland
| | - Martin S. Hagger
- School of Applied Psychology, Griffith University, Mount Gravatt, QLD 4122, Australia; (M.S.H.); (K.H.)
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40014 Jyväskylä, Finland
- Department of Psychological Sciences, University of California, Merced, CA 95343, USA
- Health Sciences Research Institute, University of California, Merced, CA 95343, USA
| | - David Mejia
- College of Health and Human Performance, University of Florida, Gainesville, FL 32611, USA;
| | - Kyra Hamilton
- School of Applied Psychology, Griffith University, Mount Gravatt, QLD 4122, Australia; (M.S.H.); (K.H.)
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40014 Jyväskylä, Finland
- Health Sciences Research Institute, University of California, Merced, CA 95343, USA
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Phipps DJ, Brown DJ, Hagger MS, Hamilton K. Can the Cans: Determinants of Container Deposit Behavior before and after Introduction of a Container Refund Scheme. Behav Sci (Basel) 2024; 14:112. [PMID: 38392465 PMCID: PMC10885914 DOI: 10.3390/bs14020112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/14/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
OBJECTIVE Container deposit schemes are often hailed as a useful avenue to increase consumer recycling rates. Yet, there is little research investigating within-person changes in people's beliefs and behavior following the implementation of these schemes, or tests of the mechanisms by which such change has occurred. METHODS The current study fills this knowledge gap and assessed container recycling behavior and habits as well as the social cognition factors of attitudes, subjective norms, perceived behavioral control, and intentions in a sample of 90 Queenslanders before the implementation of the container deposit scheme and one and three months post-implementation. RESULTS Analysis of variance indicated more frequent recycling behavior following the implementation of the scheme, as well as stronger habits, intentions, and perceived behavioral control. CONCLUSIONS Such a concomitant change in behavior, beliefs, and habits provides support for behavior change theory, while also flagging potential targets for strategies that can be paired with container deposit schemes to enhance their efficacy and uptake.
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Affiliation(s)
- Daniel J Phipps
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mount Gravatt, QLD 4122, Australia
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40600 Jyväskylä, Finland
| | - Daniel J Brown
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mount Gravatt, QLD 4122, Australia
- School of Psychology and Wellbeing, University of Southern Queensland, 11 Salisbury Road, Ipswich, QLD 4305, Australia
| | - Martin S Hagger
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mount Gravatt, QLD 4122, Australia
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40600 Jyväskylä, Finland
- Health Sciences Research Institute, University of California, Merced, 5200 North Lake Rd., Merced, CA 95343, USA
- Department of Psychological Science, University of California, Merced, 5200 North Lake Rd., Merced, CA 95343, USA
| | - Kyra Hamilton
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mount Gravatt, QLD 4122, Australia
- Faculty of Sport and Health Sciences, University of Jyväskylä, 40600 Jyväskylä, Finland
- Health Sciences Research Institute, University of California, Merced, 5200 North Lake Rd., Merced, CA 95343, USA
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Phipps DJ, Hamilton K. Creating Implicit Measure Stimulus Sets Using a Multi-Step Piloting Method. Methods Protoc 2023; 6:mps6030047. [PMID: 37218907 DOI: 10.3390/mps6030047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/18/2023] [Accepted: 04/26/2023] [Indexed: 05/24/2023] Open
Abstract
The effect of arbitrary stimulus selection is a persistent concern when employing implicit measures. The current study tests a data-driven multi-step procedure to create stimulus items using a combination of free-recall and survey data. Six sets of stimulus items were created, representing healthy food and high sugar items in children, adolescents, and adults. Selected items were highly representative of the target concepts, in frequent use, and of near equal length. Tests of the piloted items in two samples showed slightly higher implicit measure-behavior relations compared to a previously used measure, providing preliminary support for the value in empirically based stimulus selection. Further, the items reported as being the most associated with their target concepts differed notably from what one may expect from the guidelines or population consumption patterns, highlighting the importance of informed stimulus selection.
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Affiliation(s)
- Daniel J Phipps
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mt Gravatt, QLD 4122, Australia
- Menzies Health Institute Queensland, Griffith University, Parklands Drive, Gold Coast, QLD 4215, Australia
- Faculty of Sport and Health Sciences, University of Jyväskylä, Keskussairaalantie 4, 40600 Jyväskylä, Finland
| | - Kyra Hamilton
- School of Applied Psychology, Griffith University, 176 Messines Ridge Road, Mt Gravatt, QLD 4122, Australia
- Menzies Health Institute Queensland, Griffith University, Parklands Drive, Gold Coast, QLD 4215, Australia
- Health Sciences Research Institute, University of California, Merced, 5200 N. Lake Road, Merced, CA 95343, USA
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