Max Wertheimer was one of the founders of __________ psychology

For a cross-sequential design, researchers _____

a. study people in different age groups and follow them over time b. study people in different age groups at one time point c. follow one group of people over time d. spend a considerable amount of time with the people they want to study

Ethnocentrism is the belief that all ingroup members are different, whereas all outgroup members are alike

Indicate whether this statement is true or false.