Psychological knowledge is advanced through a process known as.

the scientific method

Explanation:

Psychological knowledge is advanced through a process known as the scientific method which involves a prescribed series of steps designed to achieve the desired knowledge.

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Not sure if this helps but here

Explanation:

From lumenlearning.com

"Scientific knowledge is advanced through a process known as the scientific method. Basically, ideas (in the form of theories and hypotheses) are tested against the real world (in the form of empirical observations), and those empirical observations lead to more ideas that are tested against the real world, and so on."

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."

answer:

hey wyd

Explanation: