CAS 301 Developmental Inquiry and Methodology Review for Exam 1 1 Scenario 1 PPVT Score The Georgia Early Childhood Study 2001 2004 was designed to evaluate the change in children s cognitive and academic skills associated with their personal characteristics and experience This figure shows the change in children s Peabody Picture Vocabulary Test Scores over time for children s whose parents did and did not receive TANF support the Federal subsidy known at CalWORKS in California Preschool This graph is best described as a Pie graph Bar graph Kindergarten Histogram First Line graph Frequency polygon This analysis includes two predictor variables and one criterion variable Define the following for these variables Variable Predictor Predictor Criterion Conceptual Definition Operational Definition Measurement Scale CAS 301 Developmental Inquiry and Methodology Review for Exam 1 2 50 45 40 35 30 25 20 15 10 5 0 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 with BA Scenario 2 The Economic Policy Institute wanted to see if recent policy and legislation about preschool teacher preparation had increased the proportion of preschool teachers with Bachelor s degrees They found the following Year The relationship between year and the of teachers with a BA is best described as Linear Curvilinear None The relationship between year and the of teachers with a BA is best described as Positive Negative None Cannot be determined The relationship between year and the of teachers with a BA is best described as Strong Moderate Weak Based on this picture what of teachers would you expect to have a BA in 2010 These variables use which measurement scale CAS 301 Developmental Inquiry and Methodology Review for Exam 1 3 Scenario 3 Burchinal and Cryer 2003 were interested in whether the association between early childhood program characteristics and child outcomes would vary for different ethnic groups To assess this they examined the nature of teacher child relationships using a combination of the ECERS ECOF CIS and AIS and child outcomes using the PPVT WJ R and two measures of the Child Behavior Inventory Describe the nature of the relationship between positive caregiving and school readiness for the different ethnic groups Which of the correlations in the above table are statistically significant CAS 301 Developmental Inquiry and Methodology Review for Exam 1 4 Scenario 4 The Center for Law and Social Policy CLASP examined difference in child care arrangements between children with immigrant and native born parents and found the following The variable type of child care uses what scale of measurement What measure s of central tendency can be used to describe each group s use of child care Which of the following terms can be used to describe this graph Pie graph Bar graph Line graph Frequency graph How many variables are represented in this graph and how are they represented