Test Bank For Research Methods and Statistics A Critical Thinking Methodology, 4th Edition by Sherri L. Jackson

ISBN 10: 1111346550

ISBN 13: 9781111346553

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Research Methods And Statistics A Critical Thinking Methodology, 4th Edition By Sherri L. Jackson – Test Bank

A variety of Various Questions

1. _____ is a indicate of setting a further stringent alpha diploma with a goal to cut back Form I errors.
a. ANOVA
b. The Bonferroni adjustment
c. An F-ratio
d. The sums of squares

Reply: b

2. Using designs with better than two ranges of an neutral variables permits researchers to:
a. look at better than two kinds of remedy in a single analysis.
b. look at two or further kinds of remedy with a administration group.
c. look at a placebo group to the administration and experimental groups.
d. accomplish your entire totally different choices.

Reply: d

3. Systematic variance may embrace:
a. every experimental outcomes and confounding variables.
b. experimental outcomes.
c. confounding variables.
d. experimenter outcomes.

Reply: a

w4. If between-groups variance is small, then we have not observed:
a. experimenter outcomes.
b. an affect of the dependent variable.
c. adequate samples.
d. an affect of the neutral variable.

Reply: d

5. Every time the F-ratio is near 1.00 it implies that:
a. a mistake has been made throughout the computation.
b. there are large systematic outcomes present.
c. the experimental manipulation perhaps had the anticipated outcomes.
d. the between-groups variation isn’t any greater than may very well be anticipated by likelihood alone and no
greater than the within groups variance.

Reply: d

6. The larger the within-groups (error) variance:
a. the more durable it turns into to point the outcomes of experimental variance.
b. the higher it turns into to point the outcomes of experimental variance.
c. the more durable it turns into to hold out the F check out.
d. the higher it turns into to point a causal affect of the neutral variable on the dependent
variable.

Reply: a

w7. When conducting an experiment with better than two ranges of the neutral variable, a _____ is actually helpful over a _____ because of the diminished hazard of a _____.
a. one-method ANOVA; t-check out; Form II error
b. one-method ANOVA; t-check out Form I error
c. t-check out; one-method ANOVA; Form II error
d. t-check out; one-method ANOVA; Form I error

Reply: b

8. The null hypothesis for a one-method randomized ANOVA states:
a. H0: 1 = 2 = 3.
b. H0: 1  2  3.
c. Ha: 1 = 2 = 3.
d. Ha: 1  2  3.

Reply: a

9. The selection hypothesis for a one-method randomized ANOVA states:
a. H0: 1 = 2 = 3.
b. H0: 1  2  3.
c. Ha: 1 = 2 = 3.
d. Ha: 1  2  3.

Reply: d

10. If the null hypothesis for an ANOVA is true, then the F-ratio should be:
a. increased than 5.00.
b. a damaging amount.
c. 0.00.
d. 1.00.

Reply: d

w11. The F-ratio is a ratio of _____ variance over _____ variance.
a. between-groups; inside-groups
b. inside-groups; between-groups
c. complete; between-groups
d. complete; inside-groups