14.21 Anxious Infants A study was conducted by Joseph Jacobson and Diane Wille to determine the effect of early child care on infant-mother attachment patterns. In the study, 93 infants were classified as either "secure" or "anxious" using the Ainsworth strange situation para- digm. In addition, the infants were classified according to the average number of hours per week that they spent in child care. The data are presented in the table:

a. Do the data provide sufficient evidence to indicate that there is a difference in attachment pattern for the infants depending on the amount of time spent in child care? Test using a = 0.05.

b. What is the approximate p-value for the test in part a?

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Low (0-3 hours) Moderate (4-19 hours) High (20-54 hours) Secure 24 35 5 Anxious 11 10 8