Unit 6: Developmental- Infant study
Dr. Alimam is studying infants’ ability to distinguish shapes. He shows an infant a shape until the infant loses interest in the shape, and then he shows the infant a different shape. If the infant shows interest in the new shape, he determines that the infant recognizes that the new shape is different from the old one. Dr. Alimam expects that getting older will cause the babies to recognize shapes faster. He records how long it takes the infant to show interest in the new shape. Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds
Question 1
Short answer
Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Describe how the data illustrate the habituation process.
Question 2
Short answer
Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Identify the mode for three-month-old infants.
Question 3
Short answer
Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Describe the correlation between time and an infant’s age.
Question 4
Short answer
Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Identify the dependent variable.
Question 5
Short answer
Dr. Alimam is studying infants’ ability to distinguish shapes. He shows an infant a shape until the infant loses interest in the shape, and then he shows the infant a different shape. If the infant shows interest in the new shape, he determines that the infant recognizes that the new shape is different from the old one. Dr. Alimam expects that getting older will cause the babies to recognize shapes faster. He records how long it takes the infant to show interest in the new shape. Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Describe how Dr. Alimam could use replication to conduct a better-designed study.
Question 6
Short answer
Dr. Alimam is studying infants’ ability to distinguish shapes. He shows an infant a shape until the infant loses interest in the shape, and then he shows the infant a different shape. If the infant shows interest in the new shape, he determines that the infant recognizes that the new shape is different from the old one. Dr. Alimam expects that getting older will cause the babies to recognize shapes faster. He records how long it takes the infant to show interest in the new shape. Dr. Alimam conducts the study using a group of 5 three month olds, 5 six month olds, and 5 eight month olds recruited from local day-care centers. Because he knows the directors, he does not contact the infants' parents to inform them of the study. Below is a chart that shows the time it took for each infant to show interest in the new shape. Dr. Alimam concludes that eight-month-old infants are better at recognizing different shapes than three month olds or six month olds. Age Infant 1 Infant 2 Infant 3 Infant 4 Infant 5 Three months 15 seconds 12 seconds 15 seconds 20 seconds 30 seconds Six months 10 seconds 7 seconds 6 seconds 8 seconds 10 seconds Eight months 3 seconds 2 seconds 5 seconds 1 seconds 3 seconds Explain how the data supports or does not support the hypothesis.
Question 7
Short answer
Suppose Dr. Alimam covered the shape with a towel as the infant was exhibiting interest. Explain what would most likely be a key difference in the way the three-month-old infants would react toward this versus the way the eight-month-old infants would react.
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