Children’s first vision screening should be scheduled as soon as they turn 5 years-of-age.
Answer the following statement true (T) or false (F)
False
Rationale: Ideally, all children should have their vision screened by age 2. This is even more important for children who have developmental delays or certain medical conditions (e.g., low birth weight, premature birth, FAS, Down syndrome) because they have a higher risk of experiencing vision disorders. Children's vision should also be tested anytime there is concern about their ability to see accurately.
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a) The difference is statistically significant, but perhaps not practically significant. b) The difference is not statistically significant. c) The difference is probably practically significant. d) The difference is statistically significant and practically significant.
When implementing a reinforcement contingency, it is acceptable to wait 30 s following the emission of a target response to deliver the reinforcer
Indicate whether the statement is true or false
Lois plans to ask questions about the frequency and intensity of participants’ feelings of intolerance and prejudice. One problem that she should particularly worry about here is called _____________.
a. Acquiescence response set b. Social desirability response set c. Reverse worded response set d. Improperly organized response set
Suppose you want to run an experiment with two groups using a within-subjects design, and you want 25 participants in each of the groups created by manipulation of the independent variable. How many participants will you need in order to run this experiment?
a. 25 b. 50 c. 100 d. 200