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)

What is an example of providing positive feedback in communication

Which safe and legal options do teen parents have if they think they are not ready to be parents? check all that apply. leave the baby in front of someone's door. surrender the baby under their state's safe-haven laws. place the baby for adoption. release custody to the baby's grandparents. give the baby to a stranger.

A62-year-old man is being treated for an acute myocardial infarction. he originally came to the ed with substernal chest pain and diaphoresis. given his risk factors of hypertension, diabetes, tobacco use, and family history, he is considered high risk. an ecg in the ed reveals a left-bundle branch pattern, and cardiac enzymes are elevated slightly. after a focused evaluation in the ed, the patient receives iv thrombolytics. although his bundle branch pattern never resolves, the patient is chest pain-free and haemodynamically stable after thrombolysis. two days later, however, the patient reports episodes of recurrent chest discomfort and shortness of breath overnight. in evaluating for potential myocardial reinfarction, which of the following is the most appropriate diagnostic test? - creatinine kinase- dynamic ecg changes- lactate dehydrogenase- myoglobin levels- troponin i level