According to the text, the emotion regulation of which of the following feelings is especially important during early childhood?

To measure the effects of task complexity on an individual's perception of time, a researcher has one group of participants do simple addition problems and another group solve complex mathematical formulas. Both groups are then asked to estimate the time

Later, the researcher finds out that the participants given the complex task were in a room with higher noise levels than the other group. In this study, the noise level would be considered an example of a. the placebo effect. b. a dependent variable. c. a confounding variable. d. an independent variable.

Optimism is especially appropriate in those situations in which

a. you want to gain people's confidence b. your goal involves a high degree of risk c. the cost of failure is high d. you want to be sympathetic with people's troubles