Tomas had trouble finding people to include in his study, so he asked for volunteers and promised to pay them each five dollars. What is wrong with this
approach?

Which research model refers to the study of an individual, group, or community over a predetermined period? a. cross-sectional model b. sectional model c. cross-sequential model d. longitudinal model

Which shows the best path to find the number of centimeters in 1 yard?

Functionalism was a school of psychology that focused attention on the