30 Questions
What is the independent variable in the experiment?
The length of time of ownership
How many treatment conditions were there in the experiment?
Three
What type of design was used in the experiment?
Between-subject design
Were the subjects matched in the experiment?
No
What is the level of measurement of the dependent variable?
Ratio
What was the result of the experiment?
The hypothesis was supported
What is the main difference between individual differences and extraneous variables?
Individual differences are variables within the study, while extraneous variables are outside the study.
Where is the mean square within groups typically found?
In the denominator of the F ratio
What represents the between-group variation in the F ratio?
MSb
What is the purpose of computing the mean for each group?
To find the deviation of each score from its group mean
What is the formula for computing the deviation of each score from its group mean?
Score - group mean
Why is it important to understand the concept of individual differences?
Because it helps in understanding subject variables
What is a necessary condition when using analysis of variance procedures?
The treatment groups are independent from each other
What is an essential assumption in random sampling?
Every individual in the population has an equal chance of being selected
What characteristic should the samples have in analysis of variance?
They should be from a normally distributed population
What is the shape of the curve in a normally distributed population?
A bell-shaped curve
Why is it essential to have equal variances in the populations when using analysis of variance?
To ensure the results are valid and reliable
What happens to the frequency of scores as you move away from the mean in a normally distributed population?
It decreases
What is the total squared deviation per group in Group 1?
2.80
What is the formula to calculate the Mean Square within groups?
MSw= 8.80÷ 12
What is the value of the degrees of freedom within?
12
What is the formula to calculate the grand mean?
XG=summation of X all over p
What is the value of the grand mean?
2.3
What is the purpose of calculating the Sum of Squares within groups?
To calculate the Mean Square within groups
What is the sum of squares of between (Ssb) in the given example?
10.55
What is the value of MSb (mean square between) in the given example?
5.28
What is the purpose of using degrees of freedom in F-distributions?
To locate the appropriate distribution
What represents the horizontal axis in the F-distribution table?
Degrees of freedom of MSb
What is the value of F in the given example?
7.23
What do F-distributions represent?
A family of distributions
This quiz assesses your understanding of the concept of ownership and its effects on the valuation of an item. How well do you understand the psychology behind ownership and perceived value?
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