When presented with tasks like the pendulum problem, in contrast to adolescents, children in the stage are not good at systematically testing all of the factors; they tend to report whatever answer seems to be correct after conduction only a few tests.

When presented with tasks like the pendulum problem, in contrast to adolescents, children in the preadolescence stage are not good at systematically testing all of the factors; they tend to report whatever answer seems to be correct after conduction only a few tests.

Explanation:

At the preadolescence stage or age group, whenever we assign any pendulum problem or any experiment to them, they won’t follow the proper procedure. As compared to the adolescents, children in the preadolescence stage are not that good to do the testing systematically.

Preadolescence the age of early adolescence and children at this age group are very young to do any test or activities systematically and properly. They don’t have much understanding of the depth concepts and won’t follow each and every guideline.

the answer would be in this answer. someone already asked the question.  

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.