Front

To accurately infer cause and effect, experimenters should use

Back

random assignment.

Front

What technique do researchers use to reduce the impact of confounding variables?

Back

random assignment

Front

Which makes finding statistical significance more likely? Options: random sampling, small sample size, large sample size, operational definitions

Back

large sample size

Front

Professor Shalet contends that parents and children have similar levels of intelligence largely because they share common genes. His idea is best described as a(n)

Back

theory.

Front

Professor Ambra was skeptical about the accuracy of recently reported research on sleep deprivation. Which process would best enable her to assess the reliability of these findings?

Back

replication

Front

In which research method do we study one exceptional individual in depth and try to carefully draw conclusions about others based on the evidence?

Back

case study

Front

To learn about the TV viewing habits of all the children attending Oakbridge School, Professor DeVries randomly selected and interviewed 50 of the school's students. In this instance, all the children attending the school are considered to be a(n)

Back

population.

Front

Which of the following statistical measures is most helpful for indicating the extent to which high school grades predict college grades? standard deviation, mean, median, correlation coefficient (r)

Back

correlation coefficient (r)

Front

Researchers are interested in studying the impact of drugs on human fetuses. In this case, why would a correlational study be more appropriate than an experiment?

Back

because participants could not be ethically assigned to an experimental or control condition

Front

Random sampling is to ________ as random assignment is to ________.

Back

surveys; experiments