Question
A study examines gender categories, grouped family socioeconomic status and categorized locus of control as three factors affecting interval-scale social-studies performance. Assuming independent observations, approximately normal within-cell errors and homogeneous variances, which statistic is used for factorial ANOVA effects?
The correct answer is
'F ' test
With three categorical factors and an interval-scale outcome, factorial ANOVA can test main effects and interactions using F statistics, subject to model assumptions. A two-group t test alone does not analyse this full design.
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Important Questions from Measurement and Analysis of Data
- The following are the methods of nutritional assessment using anthropometry.
(i) Skin fold thickness
(ii) 24 hrs dietary recall
(iii) Mid Upper Arm Circumference
(iv) Blood Pressure
(v) Waist Hip Ratio
code : - Which of the following is not a method of Nutritional Status Assessment by anthropometry ?
- An increase in the alpha, the level of significance, causes
- The following assumptions must be fulfilled in the Chi-square test of significance
a. data should be continuous.
b. data has to be in frequencies.
c. all observations should be independent.
d. obtained frequencies are equal in all cells.
e. data has to be in ratio scale.
Codes : - Assertion (A) : The hypothesis that the researcher puts to test is called null hypothesis.
Reason (R) : The alternate hypothesis is accepted only when null hypothesis is rejected.
Codes :
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