I am a feature that changes from one individual to the next.
What is a variable?
100
Apples, bananas, and strawberries are this type of measurement.
What is the nominal scale of measurement?
100
We use this kind of representation to draw the distribution of scores in a population.
What is a normal curve?
100
If a constant 3 is added to each score in a distribution with M = 3, the new mean will be?
What is 6?
100
A set of scores with s = 10 has a constant of 5 added to each score in the distribution. The new standard deviation is ___.
What is 10?
200
Experiments are often separated by having this quality, meaning to have multiple levels of a variable.
What is manipulation?
200
This scale of measurement ranks observations in terms of size and magnitude.
What is the ordinal scale of measurement?
200
The amount of cars owned by all of the students in City College, Lehman College, and Baruch College can be plotted in a ____.
What is a bar graph?
200
If I add a score of 6 to a distribution of Mu = 6, the new Mu is __.
What is 6?
200
A distribution of scores has s = 4. Each score is then multiplied by 3. The new s = __.
What is 12?
300
I am a variable that is manipulated by the researcher prior to being observed.
What is the independent variable?
300
These two scales of measurement are a series of ordered categories that are equal in size.
What are the interval and ratio scales of measurement?
300
The number of miles traveled per week for 100 individuals can be plotted on this kind of graph.
What is a histogram?
300
A distribution that is positively skewed has a mean that is pulled towards the __ of the distribution.
What is the right?
300
A study looking at the effects of caffeine on attention found that n = 10 were able to maintain their gaze on a difficult problem for a certain amount of minutes. The SS of the dependent variable was 81. The variance of the sample was __.
What is 9?
400
In a study that is looking at the effects of a new study technique on grade point average, IQ remains the same for both the experimental and control group. IQ is considered a ___ variable.
What is the control variable?
400
H&M sizes range from 0-12. This uses a(n) scale of measurement.
What is an interval scale.
400
A normal distribution has ___ tails which represent ___ scores.
What is 2 and extreme?
400
The distribution 1,1,2,2,3,3,4,4,4,5 has a precise median of ___.
What is 3?
400
A study looking at the effects of caffeine on attention found that n = 10 were able to maintain their gaze on a difficult problem for a certain amount of minutes. The SS of the dependent variable was 81. The standard deviation of the sample was __.
What is 3?
500
I am a variable that does not need to be manipulated to have different levels, but I am considered the independent variable in this type of method.
What is quasi-independent and non-experimental method?
500
In this scale of measurement, I am anchored by a zero that means we can measure the amount from 0 and create proportions.
What is the ratio scale?
500
A positively skewed distribution has a tail pointing to the ___ with a cluster of scores to the left, and a negatively skewed distribution has a tail pointing the ___ and a cluster of scores to the right. Therefore, an easy exam in which most students do well, and a few do much below average will be ___ skewed.
What is the right and left? What is negatively skewed?
500
The mode is the category that has the greatest ___ in the distribution.
What is frequency?
500
A study looking at the effects of caffeine on attention found that the standard deviation was 3 with a mean of 6. One participant gazed at a difficult problem for 12 minutes. This individual was ___ standard deviations above the mean.