In Chapter 16, we presented the data from an independent groups design and asked if it was appropriate to use parametric ANOVA. The data are presented again below. The correct answer was that it was not appropriate to use parametric ANOVA because of unequal n s and homogeneity of variance assumption violation. 
Is it possible to analyze the data with an alternate test?
Definitions:
Significant Head Lag
The condition in which a baby's head falls backward when pulled to a sitting position, indicating possible developmental delays or muscle weakness.
Hyperextension of Head
An abnormal backward bending or stretching of the head, often beyond its normal range of motion.
Opisthotonos
A severe form of spasm in which the head and heels arch backward in extreme hyperextension, often associated with severe brain or spinal cord injuries.
Q10: Explain and give an example of each
Q33: If there is an interaction between the
Q34: Define degree of separation.
Q35: In the independent groups t test, <img
Q82: The Mann-Whitney U test uses both the
Q98: Fill in the blanks in the following
Q107: F <sub>obt</sub> = MS<sub>between</sub> / MS<sub>within</sub>
Q115: With a priori comparisons, there is no
Q157: If T <sub>obt</sub> ≥ T <sub>crit</sub> ,
Q182: With one-way, independent groups ANOVA, increasing N