In an experiment (Rubovits & Maehr, 1973), white female undergraduates enrolled

Question

In an experiment (Rubovits & Maehr, 1973), white female undergraduates enrolled in a teacher-training course were asked
to prepare a lesson for four seventh-grade students. The teachers were given information about each of the students. For
half of the teachers, one student was described as “gifted” (that is, extremely intelligent) while for the other half of the
teachers, the student was described as “non-gifted” (or of average intelligence). This student was either black or white.
The teachers were then observed during a 40-minute period in which they interacted with the target student and three
other students. The number of interactions directed toward the target students was noted, and this served as an index of
how much attention the teacher gave to the student. Hypothetical data representative of the results of this experiment are
presented below.

b. State the null and alternate hypotheses for the interaction in sentences, referring the specific variables being evaluated.

Explanation / Answer

The null hypothesis here would be H0: There is no difference in the interaction given by the teachers between the target student and the other non-target students

Alternative hypothesis: H1: The group of teachers given the gifted student have spent less/more time with him than the other students, the group of teachers given the non-gifted student have spent more/less time with him than the other students.

Variables: Time spent on each student, presence of gifted/non-gifted student and teacher group given the target student.

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