A researcher wants to know if voters on trustworthiness rate candidates with dif
ID: 3457841 • Letter: A
Question
A researcher wants to know if voters on trustworthiness rate candidates with different levels of experience in politics differently. She prepares a post card with campaign information about a candidate and varies whether the candidate on the postcard is an incumbent for the office or is a first-time politician. She asks 20 participants to look at the postcard for 2 minutes and rate the candidates trustworthiness on a 7-point Likert-type scale ranging from 1 = not at all to 7 = extremely. Assume a two-tailed test with significance set at .05.
5
a) What is the null hypothesis?
b) What is the alternative hypothesis?
c) List the independent variable:
d) List the dependent variable:
e) What is the scale of measurement of the DV? (nominal, interval, ratio, etc.)
List the descriptive and inferential statistics of the analysis
No experience: N = _____ Mean = _____ SD = _____
Experience: N = _____ Mean = _____ SD = _____
Reject or retain null hypothesis?
No Experience 4 6 5 7 4 7 4 5 5 4 Experience 3 6 4 3 5 3 4 3 45
Explanation / Answer
a) The null hypothesis: The political experience of candidates has no significant impact on voters' trustworthiness.
b) The alternative hypothesis: The political experience of candidates has a significant impact on voters' trustworthiness.
c) IV: The political experience of candidates.
d) DV: Voters' trustworthiness.
e) The scale of measurement of the DV: Ordinal.
Please post the other questions separately as we are supposed to answer just one question of four subparts of a single question.
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