Humor Intervention program for children with Chronic diseases. A Research Study Critique.

1. Design

1.1. a non-equivalent control group pre- and post- intervention test design,

2. Sampling and Population

2.1. Control Group

2.1.1. 16 children with atopic dermatitis/or Diabetes.

2.1.1.1. 6 boys, and 10 girls

2.1.1.1.1. Average Age 11

2.2. Experimental Group

2.2.1. 17 children from a hospital in Seoul, as well as an elementary school with Diabetes/or atopic dermatitis

2.2.1.1. 8 boys, 9 girls

2.2.1.1.1. Average Age 11

3. Threats

3.1. Threats to Internal validity are the following: times and methods for sampling of cortisol levels, method for choosing participants, subjective results reported by parents.

3.2. Threats to External validity are the following: The participants involved only had 2 types of disease, the age range was narrow, and the population was only children with chronic diseases.