The placebo effect is a form of

Suppose Maria is painting while the sun is setting; once she notices that the room is getting darker, she decides to call it quits for the day. This example illustrates the role of

a. threshold. b. a just noticeable difference. c. absolute threshold. d. bias. e. attention.

In traditional Hindu culture, the practice requiring a wife to throw herself into the funeral fire of her dead husband is now illegal

Indicate whether the statement is true or false.