Exam 4: Research Design Fundamentals

A behavioral scientist will usually accept which condition for a variable to be labeled a cause? The variable is the cause if its presence is

When increases in the values of one variable are associated with decreases in the values of a second variable,what type of relationship is present?

If a researcher finds that younger students contributed more to a discussion on human sexuality than did older students,what type of relationship between age and participation was found?

Mr.McDonald finds the lower the price of hamburgers in his restaurant,the more hamburgers he sells.This relationship can best be identified as a _____ relationship.

The registrar at Central College finds that as tuition increases,the number of classes students take decreases.This is an example of a _____ relationship.

A newspaper reports the results of a correlational study suggesting that an increase in the amount of violence watched on TV by children may be responsible for an increase in the amount of playground aggressiveness they display.However,the parents' aggression may actually be responsible for the increase in playground aggression.In this example,the confounding variable would be the

Which one of the following represents a critical difference between the non-experimental and experimental methods?

A researcher asks male and female participants to rate the desirability of potential neighbors on the basis of the potential neighbour's occupation.Which one of the following is a situational variable?

The more people in a group that perform a behaviour,the more likely a person is to also perform the behaviour because it is the "norm" of behaviour.This interpretation of group behavior as the "norm" is an example of a(n)_____ variable.

Dr.Zilstein examines the effect of fear (low or high)on a college student's desire to affiliate with others.Some students are told they will receive a very painful electrical shock,others a very mild shock.The intensity of the electrical shock the students are to receive is the _____ of the fear variable.

A researcher measured how much violent television children watched at home and also observed their aggressiveness on the playground.The researcher used the ________ method.

Experimental control is accomplished by

Which one of the following is most likely NOT a variable?

Suppose a study shows there is a strong,positive relationship between learning disabilities in children and presence of food allergies.If this is so,we may conclude that

A researcher investigated the relationship between alcohol intake and reaction time in a driving simulation task.Participants drank either one ounce or three ounces of alcohol and were then measured on braking speed at a simulated red light.The dependent variable was the

What is the primary advantage of a field experiment over a laboratory experiment?

Which of the following statements is correct?

What is the primary advantage of the laboratory experiment over the field experiment?

A researcher investigated the relationship between age and participation in a discussion on human sexuality.She found that younger students contributed more to the discussion than did older students.What was the research method used in this study?

A researcher had participants eat the same flavoured ice cream packaged in a round or square carton.The participants then indicated how much they liked the ice cream.The dependent variable is