Which of the following are qualities of any good scientific hypothesis?
i. it is testable.
ii. it can be proven beyond a shadow of doubt.
iii. it produces quantitative data.
iv. it produces results that can be replicated.

Option I is correct.

Explanation:

From the given options, quality of any good scientific hypothesis is that it is testable. A hypothesis is known as a projected interpretation for a phenomenon. Generally, for a hypothesis to be stated as a scientific hypothesis, the dismal scientific technique demands that an individual can test it.

1 and 2

explanation:

answer; decipher the motives for why people behave the way they do;