As scientists, psychologists adopt an attitude of skepticism because they believe that a. People are unlikely to reveal what they are really thinking b. Most commonsense ideas about human behavior are wrong c. Unproven claims about human behavior need to be tested d. People usually have hidden motives for acting

C. Unproven claims about human behavior need to be tested

Explanation:

Out of the following answers, this one fits best because the reason for skepticism is for one to be unbiased and open to new ideas until evidence is given to prove otherwise.

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.