Exam 2: Research Strategies

If, during any phase of an investigation, participants' behavior is influenced by factors unrelated to the hypothesis, then the __________ of the study is in doubt.

Dr. Blume is interested in methods for lowering blood pressure. He recruits 120 adults with high blood pressure and assigns them to one of three treatment groups-one group will take a daily pill, one group will be placed on a special diet, and one group will participate in an exercise boot camp. The independent variable is __________ and the dependent variable is __________.

An investigator is interested in capturing a culture's unique values and social processes. __________ is best-suited for this type of study.

Which of the following is a finding of Charles Nelson's studies on infants of diabetic mothers?

Professor Nagini developed a measure to rate children's fears. To test inter-rater reliability, he

In an electroencephalogram (EEG), researchers

A researcher who flips a coin to determine in which treatment group participants will be assigned is using

One major limitation of the ethnographic method is

Because Dr. Frederickson's students are aware of the purposes of a study, they may see and record what they expect to see rather than what the participants actually do. This is known as

Because __________ and __________ require that the participant lie as motionless as possible for an extended time, they are not suitable for infants and young children.

In the cross-sectional design,

A researcher is likely to choose a structured interview over a clinical interview when he or she

Marilyn wants to know how preschool children react to aggressive peers. To study their behavior, Marilyn will probably use

Dr. Ramirez examined 100 brother-sister pairs for 10 minutes each, noting on a checklist the behaviors that occurred during 20 thirty-second intervals. This is an example of

A field experiment comparing 36 weeks of piano and voice lessons with drama lessons and a no-lessons control showed that

In studies involving children, many child development specialists believe that

In event sampling, the observer records

Often researchers cannot randomly assign participants and manipulate conditions in the real world, so they compromise by conducting __________ experiments.

A researcher would like 9-year-old Simon to participate in a study. The researcher should obtain permission from

Dr. MacKenzie wants to study the impact of child maltreatment on physical development. The best experimental method for this research would be a __________ experiment.