When two-word combinations begin around 21 months, it is apparent that ______ has begun

If you read a research report that stated one's IQ was correlated with how long one could stand on their head, you would assume this to be a ________ correlation

a) zero b) positive c) negative d) strong

Reasons that take support away from a conclusion are called

a. fallacies. b. premises. c. assumptions. d. counterarguments.