Exam 2: Reading and Evaluating Scientific Research

To determine if sugar-rich diets affect hyperactivity in kids,a researcher prepared two daily menus that children would receive for a 30-day period.A high-sugar diet was given to the boys,while the girls had a menu that seemed identical but was not a high sugar diet.At the end of 30 days,the boys and girls were evaluated to determine their levels of hyperactivity.In the study,the high-sugar diet is the ________.

Collecting objective data without interference in the subject's normal environment is associated with:

Without the process of replication as part of the scientific process,what would happen?

In an experiment,the __________ group receives no manipulation.

The perception of a statistical association between two variables where none exists is known as ______________.

Research in which a carefully selected group of people is asked a set of predetermined questions in interviews or through questionnaires is known as __________.

Observing behavior as it happens in real-life natural settings without imposing laboratory controls is known as the __________.

The scores on most standardized tests have a __________________ distribution.

If you are interested in examining the relationship between the number of class days missed and one's subsequent semester grade point average,you would be best served to use a(n)________ to study this relationship.

The term demand characteristics refers to:

The __________ variable is what the experimenter manipulates (or varies).

Expectations by the experimenter that might influence the results of an experiment or their interpretation are called __________.

Participants in modern psychology experiments are given the right to:

In order to organize and summarize a large set of data,use a set of mathematical techniques called

Which of the following is true?

______________ is a method where researchers typically use interviews,phone surveys,and questionnaires to directly collect responses from the people being studied.

Which of the following is not a requirement for informed consent?

To study the effect of subliminal advertising on consumer behavior,participants were randomly assigned to either watch a movie with or without subliminal advertising.The group of participants that saw the movie without the ads is called _________________.

There is a negative correlation between wearing one's seat belt and the severity of injuries received during an accident.Which statement correctly illustrates this correlation?

A researcher compares a group of Republicans and Democrats on a measure of beliefs about poverty.What makes this a quasi-experimental design?