A disadvantage of conducting experiments in child development research is that
A) they are sometimes unethical or impractical.
B) some children are too young to provide verbal responses.
C) the researcher must randomly assign participants to groups.
D) they are more biased than descriptive methods.
A) they are sometimes unethical or impractical. Some experiments are, in practice, impossible because they may present a physical or psychological risk to children.
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In Weisner's ecocultural theory, the focus is on _____________
a. aspects of history that affect development b. the best ecological climate that affects development c. aspects of the everyday interactions in settings that affect development d. material aspects of the culture that affect development
Dr. Salahma conducts a study on teenagers and product preference. In his study, he begins with a diverse sample of 13-19 year olds
However, after the first few trials of the experiment many of the 15 year old males in the experiment stop responding to the questions and choose not to participate in a follow up session. Dr. Salahma needs to be concerned about a. random assignment. c. cohort effects. b. selective attention. d. selective dropout.