According to Popper, what is the key way in which psychological theory progresses?

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According to Popper, the key way in which psychological theory progresses is through the falsification of incorrect theories and the replacement of falsified theories with superior ones. This is because science operates on the principle of conjectures and refutations, where theories are put to scrutiny through empirical testing and falsification. The rejection of old ways of thinking may occur during periods of scientific revolution, but it is not necessarily the key way in which psychological theory progresses. Therefore, options A and B are correct, and option C is partially correct but not the most accurate. Thus, the correct answer is D, both (a) and (b).

According to Popper, What Is the Key Way in Which