Pre-experimental designs produce the greatest threat to internal and external validity because it provides
a. either no control group or no way to equate the groups used
b. a control group through randomization
c. an equivalent-groups design
d. none of the above
A
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John wants to get ? of his money out of the bank, but he has to pay his brother ? of that. Which of the following statements shows what John would have left of the amount he took out of the bank, after paying his brother?
a. ? – ? b. ? × ? c. 1 – (? × ?) d. ? × ?
Intervention studies used to determine evidence-based practices should have been ______.
A. evaluated by parents B. tested in courts of law C. replicated across variables such as age groups or settings D. announced on websites
Catalina is talking about her experiences in pottery class. "At first I had a really hard time getting the clay centered on the wheel. Then I'd finally get it centered, but the pot would collapse when I tried to pull the walls up. (She laughs.) It was really frustrating, but I just kept practicing over and over. I am doing better now than I did at the beginning of the semester." From her
comments, it is clear that Catalan has a: a. core goal b. social goal c. mastery goal d. performance goal
When can feature analysis procedures be used?
What will be an ideal response?