Students do not know when a reinforcer is coming, but know that if they continue to do their work, it will eventually appear. The students are being reinforced on what type of schedule?
a) Fixed ratio
b) Continuous
c) Fixed interval
d) Variable ratio
d A variable-ratio schedule is a reinforcement schedule in which desired behavior is rewarded following an unpredictable number of behaviors.
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Choose the intersubject difference control that best corresponds with the following statements. Each subject in the control group has a corresponding subject in the experimental group who has the same IQ score within three points
a. ANCOVA b. Homogeneous selection c. Randomized matching d. Random assignment e. Use subjects as their own controls
Based on census figures, among the factors that contribute to children being “at risk” are each of the following except which one?
a. one or more disabilities b. having two or more siblings c. being unable to speak English well d. living in an overcrowded household
Which is not an example of advice proposed in Science for All Americans?
A. Begin with questions. B. Engage students actively C. Provide historical perspectives. D. Work individually.
What is the purpose of an interview or an observational protocol in qualitative research?
a. It helps determine the appropriate procedure. b. It forms the basis for conducting data collection. c. It provides a form for the researcher to take notes. d. It offers an international process for researchers.