.The Researcher Should

question 31

Multiple Choice

.The researcher should

• A) reduce the alpha level of significance to .025 to form a definite conclusion.
• B) accept the null hypothesis of no difference between the experimental and control groups because the probability is so small; thus, the independent variable had no effect.
• C) reject the null hypothesis of no difference between the experimental and control groups because the probability is so small; thus, the independent variable had a reliable effect on the dependent variable.
• D) neither accept nor reject the null hypothesis of no difference because the probability value of .025 is significantly different than .05.

---

Definitions:

Congenital Hypothyroidism

A condition present at birth where the thyroid gland does not produce enough thyroid hormone, critical for growth and development.

Cretinism

A congenital condition caused by a deficiency in thyroid hormone, leading to stunted physical and mental growth.

Dwarfism

A medical or genetic condition resulting in an adult height significantly below the average.

Growth Hormone

A hormone produced by the pituitary gland that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.