Theoretical frameworks are very important parts of research as they help in connecting the researcher to the available knowledge on the topic being studied. In a clinical setup where there are two variables such as anxiety and heart rate, it is possible to use theoretical framework and research designs to come up with the most valid outcomes. Whereas a normal heart rate is considered to be somewhere between 60 and 100 beats per minute, there are instances when the heart rate tends to go higher or lower than the normal rate. Using anxiety and heart rate as the main variables, it is possible to apply various theoretical frameworks and research designs to bring out the relationship between the two.
As the rate of anxiety rises in an individual, the heart rate also increases. Therefore, someone experiencing anxiety would have a higher heart beat per minute compared to a normal person. The relationship between these variables are proportionate as the heart rate increases with an increase in the level of anxiety. Rapid heart rate also known as tachycardia is among the major indicators of anxiety based on empirical research. I think the variables are related because one leads to the other ( Chalmers et al., 2014) . For instance, anxiety disorders can lead to increased heart rate in a person. The research design involves cause and effect method where one variable is an effect of the other.
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The nature of relationship between the variables is extremely strong since there is a high likelihood that a person’s heart beat will increase when they suffer from anxiety disorders. Further, the relationship is direct because it is almost obvious that someone suffering from anxiety will have a heart rate that is faster than normal.
References
Chalmers, J. A., Quintana, D. S., Abbott, M. J., & Kemp, A. H. (2014). Anxiety disorders are associated with reduced heart rate variability: a meta-analysis. Frontiers in psychiatry , 5 , 80.
