The following data represent the means for each treatment condition in a two-factor experiment. What pattern of results is shown in the data? A1 A2 B1 M = 20 M = 20 B2 M = 30 M = 50
a. main effects for both factors and an interaction
b. main effects for both factors and no interaction
c. a main effect for factor A, no main effect for factor B, and no interaction
d. a main effect for factor A and an interaction but no main effect for factor B
a
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When children are involved with associative play, they
A. engage in purposeful, group-oriented play activities involving games B. usually play independently, engrossed in their own activity C. exhibit an awareness of each other and begin to exchange toys, but without a group goal D.select larger group activities to develop leadership skills, to compete, and to form a sense of social recognition
The mean of the ______ is equal to the population mean.
A. distribution of samples B. deviation of samples C. distribution of population D. standard deviation
There is reliable scientific evidence for ESP
Indicate whether the statement is true or false
One approach to educating non-English speakers is ___________, in which children are initially taught in their native language, while at the same time learning English
a. bilingual education c. English as a Second Language Instruction b. multicultural education d. immersion education