Crying "like a baby" to manipulate someone into giving you what you want is a form of ______

The American Psychological Association and other

professional organizations require that researchers make every effort to ensure that participants are representative of the population to which the study's results will be generalized. This relates to _____ a) sample selection. b) selection bias. c) random assignment. d) experimenter bias.

The kind of therapy that involves talking things out with a professional is called __________________

a) psychotherapy b) biomedical therapy c) physical therapy d) electroconvulsive shock therapy