Which of the following is an acceptable method of random assignment of participants into two conditions of a between-subjects experiment?
a. assigning them in order of their arrival so that the first half go into one condition and second half go into the other condition
b. assigning them in alphabetical order so that participants shoes last names begin with A through M are placed in one group and those whose last names begin with N through Z are put in the other group
c. using a random numbers table to assign subject numbers as the participants arrive and then putting all those with even numbers into one group and those with odd numbers into the other group
d. any of these
C
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It has been reported that average scores on national exams such as the Scholastic Aptitude Test (SAT) have declined in recent years. Researchers interested in exploring this intensively interview students who just took the exam, took it last year, and took it five years ago. This method is __________.
A. longitudinal B. experimental C. correlational D. cross-sectional
The schedule of reinforcement in which reinforcement follows every target response is __________
Fill in the blank(s) with the appropriate word(s).
Which result would not support the idea that genes play a significant role in behavior?
a. Finding dizygotic twins to be more similar than monozygotic twins b. Finding children to be more similar to their biological parents than to their adoptive parents c. Finding similarities between biological siblings d. Finding monozygotic twins to be more similar than pairs of unrelated individuals
which theory does NOT address the question of how change occurs?
What will be an ideal response?