Answer:Why is it that some people seem to make constant progress in their professional and personal lives, while others appear to be doomed to repeat the same mistakes over and over? While the answer isn’t cut and dry, I’ve noticed an interesting mindset difference between these two groups: they approach obstacles and challenges very differently. It comes down to mindset. Successful people tend to approach life with an open mindset — an eagerness to learn and a willingness to be wrong. The other group digs their heels in at the first sign of disagreement and would rather die than be wrong. It turns out, the way each group approaches obstacles defines much of what separates them.
Explanation:
D. spatial skills
The hypothesis is stating that spacial skills will improve by playing video games. The dependent variable is the variable that is tested and measured. In this hypothesis what is being tested are people's spacial skills to see if they improve after playing video games. Playing video games is the independent variable. In the experiment some people will be playing video games while others will not (control group).