SAT scores have not risen during the past few decades, but overall grades in school have; the most likely explanation for this is __________.
A. student performance in school has changed for the better, and the students are demonstrating greater levels of achievement
B. student performance in school seems to have improved because more students consider it acceptable to cheat on exams
C. instructors have become more lenient, awarding higher grades for the same performance, known as "grade inflation"
D. independent measures of achievement, such as the SAT, are harder tests than they used to be a decade ago
Answer: C
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Why is it important for researchers to randomize the order that participants go through the different conditions of the experiment?
a. randomizing the order allows a researcher to collect more data than using a fixed order. b. participants are more likely to be open and honest when they don't know what's coming next. c. going through one condition may influence how participants behave in another condition. randomizing the order helps minimize the impact of these influences. d. the researcher is less likely to exert influence on the experiment when the order of conditions is randomized?
In a one factor between groups design, the variance produced by anything else besides the treatment known as _____ variance
a. within c. error b. residual d. all of these
Brandi is 22 years old and has just finished a communications degree at a university. Finding a job in a marketing firm is difficult, so Brandi decides to move home with her parents for a while until she finds a good job
What is likely to make Brandi's transition to moving back home easier for both her and her parents? a. If Brandi's parents recognize her new maturity. b. When moving home, Brandi needs to expect to be treated like an adolescent. c. Brandi's parents need to help her manage her life choices. d. Brandi needs to take on a subordinate role as a dependent child.
The earliest games played by toddlers usually involve
A) concrete operational thought. B) taking turns imitating each other. C) banging objects. D) dropping objects