Answer the following statement(s) true (T) or false (F)
Factors that threaten the external validity vary systematically with the levels of an independent variable.
Ans: F
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Explain the basic elements of a multiple baseline across subjects design including selection of subject(s), dependent variable(s) and how the dependent and independent variables are implemented
What will be an ideal response?
Since the 1960s the availability of center-based child care has rapidly decreased
Indicate whether the statement is true or false
A baby whose eyes are partly closed and is moving very slightly is most likely experiencing:
a. a fussy, alert state. b. deep sleep. c. NREM sleep. d. REM sleep.
The earth is protected from extreme temperature conditions by
a......................................................................................................the earth's shadow. b...................................................................................................................the moon. c....................................................................................................................the tides. d.........................................................................................................the atmosphere.