Voorbeeld 2 van de 13 pagina's
Voorbeeld 2 van de 13 pagina's
In winkelwagengesponsord bericht van onze partner
Titel boek:
Auteur(s):
Enkele voorbeelden uit deze set oefenvragen
1.
Which of the following is the correct description for a research study comparing problem-solving scores obtained for 3 different age groups of children? A. Single-factor design B. Two-factor design C. Three-factor design D. Factorial Design
Antwoord: A. Single Factor Design
2.
ANOVA is necessary to evaluate mean differences among three or more treatments, in order to... A. minimize risk of Type 1 error B. maximize risk of Type 1 error C. minimime risk of Type 2 error D. maximize risk of Type 2 error
Antwoord: A. minimize risk of Type 1 error
3.
The numerator of the F-ratio measures the size of the sample mean differences. How is this number obtained, especially when there are more than two sample means? A. by computing the sum of the sample mean differences B. by computing the average of the sample mean differences C. by the largest of the sample mean differences D. by computing the variance for the sample means
Antwoord: D. by computing the variance for the sample means
4.
In an analysis of variance, the primary effect of large mean differences from one sample to another is to increase the value for... A. the variance between treatments B. the variance within treatments C. the total variance D. large mean differences will not directly affect any of the three variances
Antwoord: A. the variance between treatments
5.
When the null hypothesis is true for an ANOVA, what is the expected value for the F-ratio? A. 0 B. 1.00 C. much greater than 1.00 D. less than zero
Antwoord: B. 1.00
6.
An analysis of variance produces SSbetween treatments = 40 and MSbetween treatments = 10. In this analysis, how many treatment conditions are being compared? A. 4 B. 5 C. 30 D. 50
Antwoord: B. 5
7.
An analysis of variance is used to evaluate the mean differences for a research study comparing four treatment conditions with a separate sample of n = 5 in each treatment. The analysis produces SSwithin treatments = 32, SSbetween treatments = 40, and SStotal = 72. For this analysis, what is MSwithin treatments? A. 32/5 B. 32/4 C. 32/16 D. 32/20
Antwoord: C. 32/16
8.
In analysis of variance, a MS value is a measure of... A. variance B. average differences among means C. the total variability for the set of N scores D. the overall mean for the set of N scores
Antwoord: A. variance
9.
A researcher reports an F-ratio with df = 3, 36 for an independent-measures experiment. How many treatment conditions were compared in this experiment? A. 3 B. 4 C. 36 D. 39
Antwoord: B. 4
10.
Under what circumstances are posttest necessary? A. reject the null hypothesis with k = 2 treatments B. reject the null hypothesis with k > 2 treatments C. fail to reject the null hypothesis with k = 2 treatments D. fail to reject the null hypothesis with k > 2 treatments
Antwoord: B. reject the null hypothesis with k > 2 treatments
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper Agnesa. Stuvia faciliteert de betaling aan de verkoper.
Nee, je koopt alleen deze samenvatting voor €3,99. Je zit daarna nergens aan vast.
4,6 sterren op Google & Trustpilot (+1000 reviews)
Afgelopen 30 dagen zijn er 95453 samenvattingen verkocht
Opgericht in 2010, al 14 jaar dé plek om samenvattingen te kopen
