Boz is only concerned with his own needs. Boz could be described as

A unit of meaning that is made up of concepts and expresses a unitary idea is called a ________

a. prototype. b. mental image. c. cognitive schema. d. proposition.

Suppose that a group of six different researchers were recording the amount of time it takes for a particular rat to run down a six-foot long alley way

Using stopwatches, they determine that all of the researchers end up with slightly different measures of time, even though they were all simultaneously observing the exact same rat. In research design, what source of variance would account for these differences in recorded times? a. Measurement error b. External validity c. Manipulation check d. Invasive variables