Research indicates the people who suffer from depression also tend to experience insomnia. However, it is unclear whether the depression causes insomnia or the lack of sleep causes depression. This is an example of the ____

a. directionality problem
b. third-variable problem
c. extraneous variable problem
d. manipulation check problem


a

Psychology

You might also like to view...

Dissociative identity disorder is most commonly found in a. females. b. males

c. children. d. elderly.

Psychology

To enhance their lives and relationships, androgynous individuals tend to use __________ capacities

a. instrumental b. expressive c. both instrumental and expressive d. neither instrumental nor expressive

Psychology

What happens to the brain as it ages? What problems that occur in adulthood are associated with the loss of brain cells?

What will be an ideal response?

Psychology

Once within the cerebral cortex, the magnocellular pathway continues, with a dorsal branch important for ____.

A. details of shape B. color and brightness C. movement D. integrating vision with action

Psychology