Ciara believes that working women are happier than women who do not work. she predicts that women who work for at least 10 years are more likely to have good mental health after the age of 50 years than women who do not. she decides to test this prediction. in the context of psychology's scientific method, ciara's prediction is the for the study she will conduct

In the context of psychology's scientific method, Ciara's prediction is the "hypothesis" for the study she will conduct.

Hypothesis refers to a supposition or clarification that is temporarily acknowledged so as to decipher certain occasions or wonders, and to give direction to encourage examination. A hypothesis might be demonstrated right or wrong, and should be equipped for negation. On the off chance that it remains unrefuted by realities, it is said to be checked or confirmed. 

The answer - c apex