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Running head: PSYCHOLOGY 1

Research Design

Name

Institutional affiliation

PSYCHOLOGY 2

Research Design

Compare and contrast the characteristics of non-experimental (descriptive and

correlational) and experimental research designs

Qualitative and quantitative methods are used to gather, analyze, as well as, interpret data

using both experimental and non-experimental designs. The non-experimental design is made up

of correlational and descriptive research methods. Descriptive research is used in the

identification and description of behavior among the participants to provide detailed records or

analysis (Kothari, 2004). On the other hand, correlational research helps in determining the

relationships that exist between two or more variables although it is difficult to identify whether

the variables influence or determine one another. Experimental design manipulates one variable

to determine the causality (Kothari, 2004).

States your research question, and specify whether the proposed research aims to

describe, predict, or explain

How effective are antidepressant, group therapy and placebo in treating post-traumatic

stress disorders? The implied research question aims at predicting the effectiveness of various

methods of treating posttraumatic stress as indicated by National Institute of Mental Health (n.d).

Choose a research design to investigate your research question. Explain why this

model is appropriate for the study

The study will utilize the qualitative experimental research design to predict the type of

treatment that is more useful than the other. However, the research requires the approval from

the ethics committee of the institution where the research will be conducted, as well as, signed

PSYCHOLOGY 3

consent with the patients, whose bodies will be used to detriment the effectiveness of the

treatment. Experimental methods are the most suitable because they help in determining the

relationships between the variables to determine the effect-outcome relationships of the

treatments (Kothari, 2004).

Provide a brief overview of the study you would design

The study will take place in a health care setting and the participants will be referred as

samples that will be chosen randomly from a group of volunteers suffering from post-traumatic

stress. The study will use three groups each with 20 participants, who will be selected randomly.

The first group will be subjected to antidepressants to treat post-traumatic stress in addition to

group therapy session. The second group will be subjected to placebo in addition to therapy

sessions while the third group three will use only group and individual therapy.

PSYCHOLOGY 4

References

National Institute of Mental Health. (n.d). Post-Traumatic Stress Disorder. Retrieved 20

December 2017, from http://www.nimh.nih.gov/health/topics/post-traumatic-stress-

disorder-ptsd/index.shtml.

Kothari, C. R. (2004). Research Methodology: Methods and techniques. New Age International.

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