Question 1

When conducting an experiment with more than two levels of the independent variable,a _____ is recommended over a _____ because of the reduced risk of a _____.

Accepted Answer

A)  one-way ANOVA; t-test; Type II error
B)  one-way ANOVA; t-test Type I error
C)  t-test; one-way ANOVA; Type II error
D)  t-test; one-way ANOVA; Type I error B

Question 2

The between groups variance is comprised of _____ variance and _____ variance.

Accepted Answer

A)  systematic; error
B)  within-groups; error
C)  total; error
D)  within-groups; total A

Question 3

For an F-ratio with df = 2,26,the Fcv for $\alpha$= .05 would be

Accepted Answer

A)  2.36.
B)  3.37.
C)  4.23.
D)  5.53.  B

Question 4

The alternative hypothesis for a one-way randomized ANOVA states

Accepted Answer

A)  H0:  μ\muμ 1 =  μ\muμ 2 =  μ\muμ 3.
B)  H0:  μ\muμ 1  ≠
eq=   μ\muμ 2  ≠
eq=μ\muμ 3. 
C)   Ha:  μ\muμ 1 =  μ\muμ 2 =  μ\muμ 3.
D)  Ha:  μ\muμ 1  ≠
eq=μ\muμ 2  ≠
eq=μ\muμ 3.

Question 5

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.

Accepted Answer

A)  ANOVA
B)  The Bonferroni adjustment
C)  An F-ratio
D)  The sums of squares

Question 6

If a randomized ANOVA produced MSbetween = 35 and MSwithin = 15,then the F-ratio would be

Accepted Answer

A)  35/15 = 2.33.
B)  15/35 = .43.
C)  35/50 = .70.
D)  50/15 = 3.33.

Question 7

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t-tests?

Accepted Answer

The answer of What is the Bonferroni adjustment? What would...

Question 8

Systematic variance may consist of

Accepted Answer

A)  both experimental effects and confounding variables.
B)  experimental effects.
C)  confounding variables.
D)  experimenter effects.

Question 9

The nonparametric equivalent to the ANOVA is the _____ test.

Accepted Answer

A)  Chi-square
B)  t
C)  r2
D)  Kruskal-Wallis

Question 10

If the null hypothesis for an ANOVA is true,then the F-ratio should be

Accepted Answer

A)  greater than 5.00.
B)  a negative number.
C)  0.00.
D)  1.00.

Question 11

In a repeated-measures design,the single largest contributing factor to error variance has been removed.What is that factor?

Accepted Answer

A)  individual differences
B)  experimenter effects
C)  subject bias effects
D)  measurement error

Question 12

Whenever the F-ratio is near 1.00 it means that

Accepted Answer

A)  a mistake has been made in the computation.
B)  there are large systematic effects present.
C)  the experimental manipulation probably had the predicted effects.
D)  the between-groups variation is no larger than would be expected by chance alone and no larger than the within groups variance.

Question 13

Post hoc tests are necessary after an ANOVA when the test is _____ and there are _____ or more groups being compared.

Accepted Answer

A)  significant; 3
B)  significant; 2
C)  not significant; 3
D)  not significant; 2

Question 14

When the variance _____ the groups is _____ and the variance _____ the groups is _____,we can expect a large F-ratio.

Accepted Answer

A)  between; large; within; large
B)  between; small; within; small
C)  between; large; within; small
D)  between; small; within; large

Question 15

In a repeated-measures ANOVA,the total variance is comprised of

Accepted Answer

A)  between-groups and error variance.
B)  within-groups and error variance.
C)  between-groups and participant variance.
D)  between-groups,error,and participant variance.

Question 16

When and why is it necessary to use post hoc tests?

Accepted Answer

The answer of When and why is it necessary to...

Question 17

Post hoc tests are used to

Accepted Answer

A)  determine whether an F-ratio is significant.
B)  determine whether  η \eta η 2 needs to be computed.
C)  make all pairwise comparisons between group means.
D)  all of the options are correct.

Question 18

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.

Accepted Answer

A)  total
B)  between-groups
C)  within-groups
D)  error

Question 19

Which of the following is not an assumption of the one-way repeated measures ANOVA?

Accepted Answer

A)  the data are interval-ratio in scale
B)  the underlying distribution is normally distributed
C)  the variances among the populations being compared are homogeneous
D)  the groups are independent

Question 20

The null hypothesis for a one-way randomized ANOVA states

Accepted Answer

A)  H0:  μ\muμ 1 =  μ\muμ 2 =  μ\muμ 3.
B)  H0:  μ\muμ 1  ≠
eq=μ\muμ 2  ≠
eq=μ\muμ 3. c. Ha:  μ\muμ 1 =  μ\muμ 2 =  μ\muμ 3.d.Ha:  μ\muμ 1  ≠
eq=   μ\muμ 2  ≠
eq=   μ\muμ 3.

Exam 11: Experimental Designs With More Than Two Levels of an Independent Variable

When conducting an experiment with more than two levels of the independent variable,a ___ is recommended over a _ because of the reduced risk of a ___.

The between groups variance is comprised of _ variance and _ variance.

For an F-ratio with df = 2,26,the F_cv for $\alpha$ = .05 would be

The alternative hypothesis for a one-way randomized ANOVA states

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.

If a randomized ANOVA produced MS_between = 35 and MS_within = 15,then the F-ratio would be

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t-tests?

Systematic variance may consist of

The nonparametric equivalent to the ANOVA is the _____ test.

If the null hypothesis for an ANOVA is true,then the F-ratio should be

In a repeated-measures design,the single largest contributing factor to error variance has been removed.What is that factor?

Whenever the F-ratio is near 1.00 it means that

Post hoc tests are necessary after an ANOVA when the test is _ and there are _ or more groups being compared.

When the variance ___ the groups is _ and the variance _ the groups is ___,we can expect a large F-ratio.

In a repeated-measures ANOVA,the total variance is comprised of

When and why is it necessary to use post hoc tests?

Post hoc tests are used to

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.

Which of the following is not an assumption of the one-way repeated measures ANOVA?

The null hypothesis for a one-way randomized ANOVA states

Exam 11: Experimental Designs With More Than Two Levels of an Independent Variable

When conducting an experiment with more than two levels of the independent variable,a _____ is recommended over a _____ because of the reduced risk of a _____.

The between groups variance is comprised of _____ variance and _____ variance.

For an F-ratio with df = 2,26,the Fcv for α\alphaα = .05 would be

The alternative hypothesis for a one-way randomized ANOVA states

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.

If a randomized ANOVA produced MSbetween = 35 and MSwithin = 15,then the F-ratio would be

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t-tests?

Systematic variance may consist of

The nonparametric equivalent to the ANOVA is the _____ test.

If the null hypothesis for an ANOVA is true,then the F-ratio should be

In a repeated-measures design,the single largest contributing factor to error variance has been removed.What is that factor?

Whenever the F-ratio is near 1.00 it means that

Post hoc tests are necessary after an ANOVA when the test is _____ and there are _____ or more groups being compared.

When the variance _____ the groups is _____ and the variance _____ the groups is _____,we can expect a large F-ratio.

In a repeated-measures ANOVA,the total variance is comprised of

When and why is it necessary to use post hoc tests?

Post hoc tests are used to

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.

Which of the following is not an assumption of the one-way repeated measures ANOVA?

The null hypothesis for a one-way randomized ANOVA states

When conducting an experiment with more than two levels of the independent variable,a ___ is recommended over a _ because of the reduced risk of a ___.

The between groups variance is comprised of _ variance and _ variance.

For an F-ratio with df = 2,26,the F_cv for $\alpha$ = .05 would be

If a randomized ANOVA produced MS_between = 35 and MS_within = 15,then the F-ratio would be

Post hoc tests are necessary after an ANOVA when the test is _ and there are _ or more groups being compared.

When the variance ___ the groups is _ and the variance _ the groups is ___,we can expect a large F-ratio.