According to research described in the text, which group is most likely to have similar weights?

Statistical regression, as a threat to internal validity, refers to

a) The shift of statistical significance as the number of participants increases b) The tendency of modal responses to move away from the center of the distribution c) The inability of certain designs to detect statistically significant difference, should they exist d) The tendency of extreme scores to move toward the mean of the distribution when a measure is readministered

Information about a person's character can be communicated through __________, which includes vocal characteristics, facial expressions, and body gestures and movements

Fill in the blank(s) with correct word