The formula (rf of scores in interval) ×100 provides the grouped _____ frequency

Research on an exciting new treatment that takes place with carefully selected patients at a world-renowned laboratory is less likely to have

a. external validity b. external reliability c. internal validity d. internal reliability

Vygotsky's sociocultural theory emphasizes

A) the interconnectedness of the influences of development. B) daily reinforcements one receives in the environment. C) cognitive neuroscience processes. D) how cognitive development proceeds as a result of social interactions.