Glossary / Lexicon

Deutsch: Zeitreihendesign / Español: Diseño de series temporales / Português: Desenho de séries temporais / Français: Conception de séries temporelles / Italiano: Progettazione a serie temporali /

Time-series design refers to a quasi-experimental research design consisting of a series of observations before a treatment or event and a series of observations after the treatment. The researcher administers the treatment. It is a a research design that involves measurements made over some period, example is the study of traffic accident rates before and after lowering the speed limit.

Description

Time-series design in the psychology context refers to a research method that involves collecting data repeatedly over a period of time to investigate changes in behavior or mental processes. This design allows researchers to observe how variables change over time and to analyze patterns and trends within the data. Time-series designs are often used to study the effects of interventions, treatments, or programs on individuals or groups. By examining data collected at multiple time points, researchers can make inferences about causality and the relationship between variables. This design is particularly useful for studying the dynamics of psychological processes and behavior over time.

Application Areas

• Behavioral interventions
• Mental health treatment effectiveness
• Developmental psychology research
• Substance abuse prevention programs
• Educational interventions

Treatment and Risks

• Effective treatments can be identified and implemented based on the results of time-series designs.
• Risks include potential confounding variables that may affect the interpretation of results.
• Researchers must ensure the validity and reliability of the data collected over time.

Examples

• Studying the effectiveness of a mindfulness-based stress reduction program on anxiety levels over a six-month period.
• Examining the impact of a new teaching method on student performance in mathematics over the course of a school year.
• Tracking changes in depressive symptoms in individuals receiving cognitive-behavioral therapy over multiple therapy sessions.

Similar Concepts and Synonyms

• Longitudinal studies
• Repeated measures design
• Time-series analysis
• Sequential analysis
• Panel studies

Articles with 'Time-series design' in the title

• Interrupted time-series design: Interrupted time-series design refers to a quasi-experimental research design consisting of a series of observations before and after an event. The event is not a treatment or an experience created or manipulated by the researcher
• Multiple time-series designs: Multiple time-series designs refer to the use of more than one set of data that were collected over time, as in accident rates over time in several states or cities, so that comparison can be made

Summary

Time-series design in psychology is a research method that involves collecting data repeatedly over time to study changes in behavior or mental processes. This design is used to examine the effects of interventions and treatments, as well as to analyze trends and patterns within the data. By tracking variables over multiple time points, researchers can make inferences about causal relationships and the dynamics of psychological processes. Time-series designs are valuable for studying long-term changes and the effectiveness of interventions in psychology.

---