Operational definitions... Are seldom needed because of modern advances in behavioral technology Are needed to force researchers in different laboratories to all use the exact same definition of a construct Force researchers to be clear about defining the terms of their studies Differ from one study to another, which means that using operational definitions hinders the replication process

List three different expository writing modes that are commonly seen in social studies articles

Describe the cultural component "innovation." give two examples. give an example of the cultural component "cultural universals."

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.