PSYC102 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS GRADED A++
A correlation coefficient measures the extent to which two variables are:
co-related.
After a study I conducted, the results show a correlation of zero between the two
variables. This means that:
two variables are unrelated.
A hypothetical study of the relationship between television violence and
aggressive behaviour in children reveals a correlation of +.85 between the
number of violent shows watched each week and children's level of
aggressiveness. Based on these findings, which of the following conclusions
might be true?
Parents who do not allow their children to watch violent television shows may
discourage aggressive behaviour in their children in other ways as well.
Watching violent television leads to aggressive behaviour in children.
Children who are more aggressive may have more of a 'taste' for violent television
shows than those who are less aggressive.
An experiment compares student GPAs between those who eat breakfast and
those who don't. After the experiment, it is found that those who eat breakfast in
, the cafeteria are also listening to music. Not only do the two groups differ in
terms of who has breakfast, but they also differ in terms of who hears the music.
Music is a:
possible confounding variable.
Any variable, other than the independent variable, that may be influencing the
dependent variable in a systematic way is referred to as a/an _____ variable.
confounding
A research assistant is assigned the task of watching and recording the
interactions between members of a koala family on an Australian plantation. This
research is known as:
naturalistic observation.
A researcher has developed a new treatment for smoking that combines hypnosis
and acupuncture. He randomly creates two groups of participants and
administers his new treatment to one group, while the other group receives no
treatment. He measures the number of cigarettes participants smoke in the two
weeks following treatment. This study is best described as:
experimental
A researcher is interested in whether watching Play School on television has a
positive impact on children's grades at school. She records the number of days
children watch Play School over a one-month period and relates it to their grades
at school. This study is best described as:
correlational
A sample is defined as a subgroup:
COMPLETE SOLUTIONS GRADED A++
A correlation coefficient measures the extent to which two variables are:
co-related.
After a study I conducted, the results show a correlation of zero between the two
variables. This means that:
two variables are unrelated.
A hypothetical study of the relationship between television violence and
aggressive behaviour in children reveals a correlation of +.85 between the
number of violent shows watched each week and children's level of
aggressiveness. Based on these findings, which of the following conclusions
might be true?
Parents who do not allow their children to watch violent television shows may
discourage aggressive behaviour in their children in other ways as well.
Watching violent television leads to aggressive behaviour in children.
Children who are more aggressive may have more of a 'taste' for violent television
shows than those who are less aggressive.
An experiment compares student GPAs between those who eat breakfast and
those who don't. After the experiment, it is found that those who eat breakfast in
, the cafeteria are also listening to music. Not only do the two groups differ in
terms of who has breakfast, but they also differ in terms of who hears the music.
Music is a:
possible confounding variable.
Any variable, other than the independent variable, that may be influencing the
dependent variable in a systematic way is referred to as a/an _____ variable.
confounding
A research assistant is assigned the task of watching and recording the
interactions between members of a koala family on an Australian plantation. This
research is known as:
naturalistic observation.
A researcher has developed a new treatment for smoking that combines hypnosis
and acupuncture. He randomly creates two groups of participants and
administers his new treatment to one group, while the other group receives no
treatment. He measures the number of cigarettes participants smoke in the two
weeks following treatment. This study is best described as:
experimental
A researcher is interested in whether watching Play School on television has a
positive impact on children's grades at school. She records the number of days
children watch Play School over a one-month period and relates it to their grades
at school. This study is best described as:
correlational
A sample is defined as a subgroup:
