Which Condition Is the Major Cause of Preventable Childhood Blindness

question 100

Multiple Choice

Which condition is the major cause of preventable childhood blindness in the world?

• A)vitamin C deficiency
• B)riboflavin deficiency
• C)pantothenic acid deficiency
• D)vitamin A deficiency
• E)macular degeneration

Understand the development and stability of personality traits across the lifespan.

Acknowledge the impact of cognitive processes and cognitive theories on personality development.

Recognize the significance of life narratives and personal concerns in shaping one’s identity and purpose in life.

Understand the various theories on personality development and changes across the lifespan.

---

Definitions:

α

The significance level in hypothesis testing, typically representing the probability of committing a Type I error.

Type II Error

The error that occurs when the null hypothesis is not rejected when it is actually false, also known as a "false negative".

Sample Size

The number of observations or units chosen from a population for the purpose of statistical analysis.

Lowering Alpha

Reducing the alpha level, or the threshold of significance, to decrease the probability of committing a type I error in hypothesis testing.