Critical Reasoning Evaluate Mock Tests

A new study finds that employees who take regular short breaks during the workday report higher levels of job satisfaction than those who work continuously. Based on these findings, a management consultant recommends that all companies mandate 10-minute breaks every hour to improve employee satisfaction. Which of the following, if true, would most help evaluate the consultant's recommendation?

A study of university students found that those who attended office hours at least once per month earned, on average, one full letter grade higher than students who never attended office hours. A university administrator concluded that encouraging all students to attend office hours would significantly improve academic performance across the student body. Which of the following would be most useful to determine in order to evaluate the administrator's conclusion?

A technology company claims that its new artificial intelligence system can diagnose skin cancer with 95 percent accuracy. To test this claim, an independent panel of dermatologists reviewed 200 patient cases that the AI had flagged as potentially malignant. Of those, 150 were confirmed to have cancer through biopsy. Which of the following, if true, would most help evaluate the company's claim about the AI system's accuracy?

The city plans to build a new hospital in the eastern district, arguing that the area has experienced rapid population growth and currently lacks adequate medical facilities. Local residents have protested, claiming that the construction will increase traffic congestion and reduce the quality of life in their neighborhood. Which of the following, if true, most helps evaluate the residents' concern about traffic congestion?

A city council is considering whether to ban private cars from the downtown area and replace parking lots with pedestrian plazas. Supporters argue that cities in Europe, such as Amsterdam and Copenhagen, have successfully reduced car traffic and created vibrant downtowns. Opponents counter that downtown residents in this city rely heavily on cars because public transportation is inadequate. Which of the following would be most useful to determine in order to evaluate the opponents' objection?

A scientist claims that a new drug reduces the risk of heart attacks by 40 percent. Which of the following pieces of information, if true, would be most important to evaluate the scientist's claim?

A recent study examined the relationship between social media usage and reported levels of anxiety among adolescents aged 13 to 18. The researchers found that adolescents who spent more than four hours per day on social media platforms reported significantly higher anxiety levels than those who spent less than one hour per day. Based on these findings, the study's authors concluded that excessive social media use causes increased anxiety in adolescents. Which of the following would be most useful in evaluating the validity of the authors' conclusion? A) Whether the adolescents who reported higher anxiety levels also engaged in other risk behaviors such as sleep deprivation or substance use. B) Whether the study controlled for pre-existing anxiety levels by measuring participants' anxiety before the study began. C) Whether the social media platforms studied included both image-based and text-based content, as different formats may have different psychological effects. D) Whether the adolescents who spent less than one hour per day on social media reported lower anxiety levels than a control group that did not use social media at all.

A city councilman argues that the downtown area's crime rate has decreased by twenty percent over the past five years, which he attributes to the deployment of additional police officers in the district. He concludes that continuing to increase police presence will further reduce crime. Which of the following would be most useful to determine in order to evaluate the councilman's argument?