Notes for 1.3.2 Measurements of change - IB | RevisionDojo
1.3.2 Measurements of change Notes
How do we measure change in psychology?
In fields such as developmental psychology,change is an important factor, but how do we measure it?
Behaviour may also change in response to certain stimuli, so it is an important concept to understand.
Prevalence
Prevalence is the percentage of the population that exhibit certain traits.
It gives us information about the scope and severity of different behaviours.
We can also understand how different circumstances change behaviour.
We can use prevalence to understand where and how to implement intervention/treatments.
Case study
According to the World Health Organization (WHO), 5.7% of adults suffer from depression.
Longitudinal & Repeated Measures Designs
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Introduction to Measuring Change in Psychology
Change is a fundamental concept in psychology, particularly in fields like developmental psychology where understanding growth and transformation over time is crucial.
Psychologists study change in various forms, from behavioral adaptations to cognitive development.
Measuring change helps researchers understand:
How individuals grow and develop
The impact of interventions or treatments
How different factors influence behavior over time
AnalogyThe study of change in psychology is like tracking the growth of a plant - we observe how it evolves under different conditions and over time.
ExampleIn clinical psychology, measuring how a patient's symptoms change in response to therapy is crucial for evaluating treatment effectiveness.
