Health, 08.10.2019 03:30 keldrykmw4
Professor jones wants to study vocabulary growth in preschool children. he contacts all of his faculty colleagues who have children, and from this group, he assembles a sample of 20 faculty children ranging from two to five years of age. to test each child’s word knowledge, professor jones reads each child a list of simple words that he has gathered from children’s storybooks and records whether or not the child understands each word. he then uses the results to publish norms (standard or expected levels of achievement) for vocabulary mastery for each year from two to five years of age.
what's wrong with this study? a. no control groupb. biased or nonrepresentative samplec. interpreting a correlation as indicating cause and effectd. experimenter bias (experimenters' expectations influence the results)e. participant bias (participants' expectations influence the results)
Answers: 2
Health, 22.06.2019 05:00
The high temperature in rockport over the weekend was 55(1/4) °f. write this temperature value as a decimal number with two decimal places. the decimal form of °f is
Answers: 1
Health, 22.06.2019 11:30
How are medical providers most likely to be grouped for searches? check all that apply. -coverage -specialty -age -competence -need
Answers: 1
Professor jones wants to study vocabulary growth in preschool children. he contacts all of his facul...
Mathematics, 22.01.2021 19:40
Biology, 22.01.2021 19:40
History, 22.01.2021 19:40
Mathematics, 22.01.2021 19:40
Physics, 22.01.2021 19:40
Mathematics, 22.01.2021 19:40
Health, 22.01.2021 19:40
English, 22.01.2021 19:40
Mathematics, 22.01.2021 19:40