Questions and Answers of Using Interpreting Statistics

The only mean squares one needs to calculate for a one-way, repeated-measures ANOVA are MS ____ and MS ____.
To calculate a mean square, one divides a ____ by its ____.
If one knows SSSubjects, SSTreatment, and SSResidual, one can calculate SS____.
The first column in an ANOVA summary table lists the sources of ____.
If F falls on the line that separates the rare zone from the common zone, the null hypothesis is / is not rejected.
If the observed value of F falls in the ____ zone of the sampling distribution, the null hypothesis is rejected.
After dfSubjects and dfTreatment are removed from dfTotal, what is left is called ____.
The effect of individual differences in repeated- measures ANOVA is called the effect of ____ in the ANOVA summary table.
One-way, repeated-measures ANOVA divides dfTotal into subcomponents for two different sources of ____.
If one adds together dfSubjects, dfTreatment, and dfResidual, this equals ____.
To calculate N, one multiplies together ____ and ____.
To apply Equation 11.1 to calculate all 4 degrees of freedom, one needs to know ____, ____, and ____.
df ____ and df ____ are not needed to find Fcv for a one-way, repeated-measures ANOVA.
df ____ are the numerator degrees of freedom for a one-way, repeated-measures ANOVA and df ____ are the denominator degrees of freedom.
Values of Fcv depend on the numerator and denominator ____.
If one was forced to accept the alternative hypothesis, then the null hypothesis was / was not rejected.
If the conclusion of a repeated-measures ANOVA is that there is no evidence of a difference among population means, then the null hypothesis was / was not rejected.
If the results are called statistically significant, then the null hypothesis was / was not rejected.
The null hypothesis is not rejected if F is ____ the critical value of F.
The null hypothesis is rejected if F is ____ the critical value of F.
The abbreviation for the critical value of F is ____.
μ1 ≠ μ2 ≠ μ3 is / is not an accurate statement of the alternative hypothesis.
“All population means are equal.” This is the ____ hypothesis.
It is often assumed that the dependent variable, if it is of a psychological attribute, is ____ in the ____.
If cases within a sample influence each other’s scores on the dependent variable, then the ____ assumption is ____.
The random samples assumption is ____ to violation.
The random samples assumption says that the samples in a repeated-measures ANOVA are ____ samples from the population to which one wishes to generalize the results.
A longitudinal study has ____ measures.
A repeated-measures ANOVA with only one independent variable is called a ____ repeated- measures ANOVA.
Repeated-measures ANOVA gives a better measure of the treatment effect because it removes the effect of ____.
Differences between rows in repeated-measures ANOVA are due to ____.
Differences between columns in repeated measures ANOVA reflect the effect of ____.
The data used in repeated-measures ANOVA are arranged with cases on ____ and levels of the independent variable in ____.
Repeated-measures ANOVA is used to compare the ____ of ____ or more dependent samples.
____ ANOVA is the common name for within subjects, one-way ANOVA.
Within-subjects, one-way ANOVA is like between-subjects, one-way ANOVA but is for ____ samples.
If Fcv = 2.337, draw a sampling distribution of F, label the rare and common zones, locate F = 5.66, and determine, for this F value, if the null hypothesis should be rejected.
If Fcv = 3.467 and F = 7.64, is the null hypothesis rejected?
If Fcv = 2.486 and F = 1.98, is the null hypothesis rejected?
If dfBetween = 3, dfWithin = 17, F = 5.34, and α = .05, write the results in APA format. (Use dfBetween and dfWithin to find Fcv in order to determine if the null hypothesis was rejected.)
If dfBetween = 6, dfWithin = 30, F = 2.81, and α = .05, write the results in APA format. (Use dfBetween and dfWithin to find Fcv in order to determine if the null hypothesis was rejected.)
Given this ANOVA summary table, write the results in APA format using Î± = .05. (Use dfBetweenand dfWithinto find Fcvin order to determine if the null hypothesis was rejected.) Source of
Given this ANOVA summary table, write the results in APA format using Î± = .05. (Use dfBetweenand dfWithinto find Fcvin order to determine if the null hypothesis was rejected.) Degrees
The results of a between-subjects, one-way ANOVA, in APA format, are F(3, 26) = 4.53, p < .05. What interpretative statement can one make about the differences among the four population means?
The results of a between-subjects, one-way ANOVA, in APA format, are F(3, 30) = 2.66, p > .05. What interpretative statement can one make about the differences among the four population means?
If SSBetween = 128.86 and SSTotal = 413.67, what is r2?
If SSBetween = 17.48 and SSTotal = 342.88, what is r2?
Using the information in the ANOVA summary table in Exercise 10.105, calculate r2.Data from exercise 10.105Given this ANOVA summary table, write the results in APA format using Î± = .05.
Using the information in the ANOVA summary table in Exercise 10.106, calculate r2.Data from exercise 10.106Given this ANOVA summary table, write the results in APA format using Î± = .05.
Should a post-hoc test be completed for the results in the ANOVA summary table in Exercise 10.105?Data from exercise 10.105Given this ANOVA summary table, write the results in APA format using
Should a post-hoc test be completed for the results in the ANOVA summary table in Exercise 10.106?Data from exercise 10.106Given this ANOVA summary table, write the results in APA format using
If k = 4 and dfWithin = 16, what is q if α = .01?
If k = 3 and dfWithin = 26, what is q if α = .05?
If q = 3.55, MSWithin = 10.44, and n = 8, what is HSD?
If q = 4.05, MSWithin = 6.87, and n = 11, what is HSD?
If M1 = 13.09, M2 = 8.89, and HSD = 4.37, is the difference a statistically significant one? What conclusion would one draw about the direction of the difference between the two population means?
If M1 = 123.65, M2 = 144.56, and HSD = 10.64, is the difference a statistically significant one? What conclusion would one draw about the direction of the difference between the two population means?
If M1 = 67.86, M2 = 53.56, M3 =61.55, and HSD = 8.30, which pairs of means have statistically significant differences? What is the direction of the differences?
If M1 = 12.55, M2 = 13.74, M3 = 5.49, and HSD = 4.44, which pairs of means have statistically significant differences? What is the direction of the differences?
An addictions researcher was curious about which drug was hardest to quit: alcohol, cigarettes, or heroin. She obtained samples of alcoholics, smokers, and heroin addicts who were in treatment for
A sleep specialist investigated the impact of watching TV and using computers, before bedtime, on sleep onset. He obtained 30 college student volunteers and randomly assigned them to three equally
Complete all six steps of hypothesis testing for these data sets. Remember to keep the six steps in the right order. A consumer researcher gave consumers a sample shampoo. After using the
An environmental psychologist investigated ways to reduce waste. He randomly assigned office workers in small businesses to three groups:(1) To be in a control group,(2) To receive daily e-mail
Which of the following is in descending order of size?a. SSTotal, SSWithin, SSBetweenb. SSTotal, SSBetween, SSWithinc. SSTotal, SSWithin, MSWithind. SSWithin, SSTotal, MSWithine. MSWithin, SSWithin,
Between-subjects, one-way ANOVA extends the ____ to situations in which there are more than two independent samples.
If treatment has an effect, then there is:a. More variability between groups than in totalb. More variability within groups than in totalc. More variability between groups than within groupsd. More
Indicate whether what is written could be true or is false.F(3, 18) = 10.98, p < .05
Indicate whether what is written could be true or is false.F(3, 25) = 1.98, p < .05
Indicate whether what is written could be true or is false.F(4, 20) = −17.89, p < .05
Indicate whether what is written could be true or is false.N = 14, k = 3
Indicate whether what is written could be true or is false.N = 6, k = 8
Indicate whether what is written could be true or is false.If α = .05, q = 1.96.
Indicate whether what is written could be true or is false.SSBetween = 25, SSWithin = 10, SSTotal = 35
Indicate whether what is written could be true or is false.SSBetween = 12.50, SSWithin = 12.50, SSTotal = 25.00
An F ratio in between-subjects, one-way ANOVA is calculated as the ratio of MS____ to MS____.
Interpretation of results for a statistically significant ANOVA differs from t in that it has to address where the ____ is located.
One determines if an F ratio is statistically significant by comparing F to ____.
If the null hypothesis is rejected, then ____ is accepted.
The numbers in parentheses when reporting the results of a between-subjects, one-way ANOVA in APA format are ____ and ____.
If the null hypothesis is not rejected, ANOVA results are reported in APA format as p ____ .05.
____ is used as the effect size in between-subjects, one-way ANOVA.
r2 is calculated as the percentage of total variability in scores that is accounted for by ____ variability.
The higher the percentage of variability in the dependent variable explained by the independent variable, the ____ is the size of the effect.
The closer r2 is to ____%, the stronger the effect; the closer r2 is to ____%, the weaker the effect.
Cohen considers an r2 of 9% to be a ____ effect.
Post-hoc tests are only used if the ANOVA results are ____.
Some post-hoc tests have a greater likelihood of making a ____ error and others a greater chance of a ____ error.
The Tukey HSD is a conservative test. It is more likely to make a ____ error than a ____ error.
HSD stands for ____.
If the difference between two means meets or exceeds the HSD value, the difference is ____.
To find a q value, one needs to know df Within and ____.
The n in the HSD equation represents the sample size for the ____ group.
The HSD test is used to determine which pairs of means have a ____ difference.
An adhesives researcher tests the holding power of a wood glue under different humidities. He glues together small pieces of wood and randomly assigns each one to sit for an hour in a room with
Some parents demand that their children friend them on Facebook and other parents don’t. A developmental psychologist wondered if such parental supervision had any impact on behavior. She obtained
A nutritionist investigates the impact of type of breakfast on mid-morning concentration. He puts together a sample of 50 adults. He feeds them a breakfast and 4 hours later measures their
A social psychologist is interested in how people perceive age-discrepant couples. She gets a random sample of shoppers at a mall, has them read a wedding announcement, and then asks them to
A sensory psychologist wants to determine if a sensory threshold differs depending on which nostril is used. He obtains 30 introductory psychology student volunteers and measures the absolute
A biomedical engineer compared the abrasion resistance—as measured by number of rotations until failure—of three different artificial hips. Manufacturer X makes hip joints out of metal,
Write the null and alternative hypotheses for the between-subjects, one-way ANOVA in Exercise 10.73.Data from exercise 10.73 A sensory psychologist wants to determine if a sensory threshold

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