What assumption does ANCOVA have that ANOVA does not?
A. Homogeneity of variance
B. Homogeneity of regression slopes
C. Homoscedasticity
D. Homogeneity of sample size
Answer: B
You might also like to view...
In an ex post facto study, a researcher investigated the effect of academic self-concept on school achievement. He concluded that a more positive self-concept leads to higher achievement in school. Label the following plausible alternative hypotheses as common cause, reverse causality, or other independent variables may be operating. Higher school achievement leads to a more positive academic
self-concept. a. common cause b. reverse causality c. other independent variables may be operating
According to Bruner, discovery learning helps students become more independent problem solvers because they
a. obtain reinforcement for remembering factual information. b. relate ideas to each other and to their existing knowledge. c. designate cues for the storage and retrieval of information learned. d. learn to solve problems by observing the behavior of attractive models.
A view of the teacher as researcher lends itself to
a. Professional development that involves teachers' engagement in critical reflection and action research to address predicaments in the classroom. b. Professional development that involves in-service training on best practices for teachers. c. Classroom management processes and practices that are unchanging. d. Administrative evaluation of classroom practices
It is best to begin toilet training when toddlers
a. tell the teacher they have wet or soiled their diaper, stay dry for several hours, or watch older children in the bathroom with interest. b. begin to walk because now they are ready to get to the toilet on their own. c. have reached 24 months of age. d. are able to verbally articulate their readiness to use the toilet.