Which of the following is true about labor force participation? Group of answer choices When workers become unemployed, the labor force participation rate declines. When the unemployed become" discouraged workers," the labor force participation rate declines When workers are not fully using thir skills, the labor force participation rate decreases Since the 1950s the labor force participation rate of women has decreased in the United States. The trend toward earlier retirement has increased the labor force participation rate in the United States.