Assignments

Select and research one (1) of the following forms of psychotherapy:

Cognitive or Cognitive Behavioral Therapy
Dialectical Behavior Therapy
Behavior Therapy
Psychodynamic therapy
Family therapy (structural or multi-dimensional)
Acceptance and Commitment Therapy (ACT)
Internal Family Systems Therapy (IFS)
Schema-Focused Therapy
Answer the Following Questions:

What is the research evidence that this method is effective?
With what types of mental disorders and with what age groups has this approach shown some success?
How does this method compare to just providing psychiatric medications?
Are there benefits for using combinations of treatment, such as medications,plus psychotherapy, plus mindful meditation, etc?
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Rita A

In analytical health research there are generally two types of variables. Independent variables are what we expect will influence dependent variables. A dependent variable is what happens as a result of the independent variable. It is defined as the thing which is being measured in an experiment, whilst the independent variable is the thing that is being manipulated or changed. For example, if we want to explore whether high concentrations of vehicle exhaust impact incidence of asthma in children, vehicle exhaust is the independent variable while asthma is the dependent variable (National Institutes of Health, 2017). Extraneous variables are undesirable variables that influence the relationship between the variables that the experimenter is observing. In the process of research, there is a need to control the extraneous variables as they add an alternative explanation of the results. For example: An experimenter was studying the effects of gender on response times, with the theory that females would be slower than males. The experimenter studied 20 participants in a public computer room throughout the day. The dependent variable is the response times, the independent variable is the gender of participants, and extraneous variables could be time of day or how noisy the computer room is.

Two ways that researchers attempt to control extraneous variable are by randomization and matching. With randomization approach, treatments are randomly assigned to the experimental groups. It is assumed that the extraneous factors are present equally in all the groups. This technique is only workable when the sample size is very large. Another important technique is to match the different groups of confounding variables. Different confounding variables like gender, age, income etc. could be distributed equally amongst the group. It sometimes does become difficult to extend matching within all the groups and another drawback of the same is that, sometime the matched characteristics may be irrelevant to the dependent variable (Methods to control extraneous variables, 2014).

References:

National Institutes of Health. (2017). Dependent and independent variables. U.S. National Library of Medicine. Retrieved December 6, 2022, from https://www.nlm.nih.gov/nichsr/stats_tutorial/section2/mod4_variables.html

Methods to control extraneous variables. Dissertation Canada. (2014, July 7). Retrieved December 6, 2022, from http://www.dissertationcanada.com/blog/methods-to-control-extraneous-variables/
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