________ are our own unique beliefs about the attributes of groups of people such as women and men

A label on a food package that states that this particular food is 80 percent fat-free sounds better than stating that the food consists of 20 percent fat. This difference in labeling illustrates how our problem solving is affected by __________

Fill in the blank(s) with correct word

Dr. Zink and Dr. Vasquez are designing a new study. They have come up with a good hypothesis for the study, but they are having trouble thinking of operational definitions for their variables. In other words, they are concerned that their research might be low in ____

a. internal validity b. external validity c. construct validity d. face validity