If extraneous variables are uncontrolled, they tend to:
a. increase the estimate of random variance.
b. make statistical tests insensitive to real differences.
c. confuse the interpretation of results.
d. all of the above.
d
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An example of ____ would be when an author forces the readers to think about the emotional consequences of scientific advances
a. setting b. plot c. style d. theme
IDEA 1990 added two new categories of disability: (1 ) __________ and (2 ) __________
Fill in the blank(s) with correct word
All of the following are forms of written communication that can be used with families EXCEPT which of the following:
a. Newsletter b. Incident report informing them who bit their child c. Handbook of policies d. Progress reports
Bryce is a occupational therapist working with Sandy, a patient with brain injury. Bryce has decided to test the effects of a graphing strategy with Sandy. He starts the graphing technique while collecting data in the form of minutes of strength training per day. He discontinues the graphing technique and still collects minutes of strength training per day. Bryce then reintroduces the graphing
technique. Which of the following is the most critical drawback of the design Bryce has selected? a. Selection of experimental participant b. No baseline data were collected c. Withdrawal of treatment condition d. Ethics of treatment reversal