Question

A researcher examines whether taking Vitamin D supplements (0x a day, 1x a day) influences self-reported depression (measured as either “depressed” or “not depressed”).

A. What is the independent variable?
B. What type or category of independent variable is used?
C. What is the dependent variable?
D. How many levels are there for the independent variable?
E. What is the scale of measurement for the dependent variable?

Answer 1

Management of depression

depressive disorder or dysthymia. Physical causes are ruled out with a clinical assessment of depression that measures vitamins, minerals, electrolytes...

125 KB (14,040 words) - 10:38, 24 April 2023

Child development (section Postnatal depression)

between depressed mothers and their children may affect social and cognitive abilities in later life. Maternal depression has been shown to influence the...

173 KB (21,052 words) - 03:20, 10 May 2023

Quotes from Wikiquote

Immune system

synthesis of Vitamin D is one possibility, there is emerging evidence for Vitamin D-independent effects of sunlight. Notably, normal skin contains a high density

See all results

Textbooks from Wikibooks

Textbook of Psychiatry/Print version

with Major Depression. American Journal of Psychiatry 148:617-620, 1991. Radloff L: The CES-D Scale: A Self-Report Depression Scale for Research in the General