Related Experiment Video
Updated: Aug 5, 2025
10:16
Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
Published on: April 7, 2020
8.6K
Relationship between chronotypes and aggression in adolescents: a cross-sectional study.
Yuan Wang1, Hao Liu2, Yan-Rong Wang3
1Mental Health Center, The General Hospital Ningxia Medical University, 750004, Yinchuan, People's Republic of China.
BMC Psychiatry
|March 29, 2023
Summary
Evening-type adolescents exhibit more aggressive behavior than morning-type individuals. Promoting healthy circadian rhythms may support adolescent well-being and development.
Area of Science:
- Adolescent psychology
- Chronobiology
- Behavioral science
Background:
- Chronotypes, or individual differences in daily activity rhythms, are influenced by age and sex.
- Adolescent aggression is a significant concern in public health and developmental psychology.
Purpose of the Study:
- To investigate the relationship between chronotypes and aggressive behavior in adolescents.
- To explore the influence of chronotype on aggression, considering factors like personality and environment.
Main Methods:
- Cross-sectional study of 755 adolescents (aged 11-16) in rural China.
- Utilized the Chinese versions of the Buss-Perry Aggression Questionnaire (AQ-CV) and Morningness-Eveningness Questionnaire (MEQ-CV).
- Employed Kruskal-Wallis, Spearman correlation, and linear regression analyses.
Main Results:
- A significant negative correlation was found between morningness-eveningness scores and aggression.
- Evening-type adolescents showed a higher likelihood of aggressive behavior, even after controlling for age, sex, personality, and environmental factors.
- Chronotype significantly predicted aggression in adolescents.
Conclusions:
- Evening-type adolescents are more prone to aggressive behavior compared to morning-type peers.
- Guiding adolescents to develop healthy circadian rhythms is recommended for their overall development.
- Understanding chronotype's role in aggression can inform targeted interventions.
Related Concept Videos
02:04Bullying
8.5K
A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is...
8.5K
01:47Aggression
27.9K
Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for...
27.9K
01:50Cross-Sectional Research
11.4K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
11.4K
01:15Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
100
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
100
01:28Conduct Disorder
96
Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
96
01:21Secondary Motives: Affiliation Motivation and Aggression Motivation
385
Affiliation motivation is the intrinsic desire to connect with others and belong to a social group, which plays a crucial role in forming and maintaining personal relationships. This type of motivation is essential for psychological well-being, as it provides individuals with a sense of community and support. An example of this is a student who joins a study group in order to feel a sense of connection. People with high affiliation motivation actively seek social approval, take satisfaction in...
385