Which of the following is incorrect?
A. Linear regression helps us discover by how much y will change when x changes.
B. Linear regression relies on the line of best fit.
C. The line of best fit with linear regression maximizes the distance between the scores and the regression line.
D. Linear regression utilizes a line drawn through the scores where total error is minimized.
Answer: C
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The intent of ______ studies is to describe and interpret the experiences or reactions of participants to a particular phenomenon from their individual experiences.
A. ethnographic B. grounded theory C. phenomenological D. correlational
What is an already existing knowledge structure called, in Piaget's theory?
a. a balance achieved between assimilation and accommodation b. an adjusted mental category c. schemata d. constructed concepts
Negative reinforcement is abbreviated as:
a. SR2 b. SR- c. NR d. NR-
Choose all of the correct alternatives. In ANOVA, to reject the null means that
a. the treatment did not have a significant effect. b. MSBG is greater than MSWG. c. MSWG is greater than MSBG. d. the obtained F value is larger than the critical value. e. at least one group mean differed significantly from the others.