If you tend to persist in using the same problem-solving strategy time after time, you are evidencing

Which of these is NOT a criterion for tentatively inferring causation from quasi-experimental studies?

a. A dose-response relationship must exist between the two variables. b. The disease must remain when the cause is removed. c. The cause must precede the disease. d. The relation between the presumed cause and effect must be consistent across different populations.

Which of the following statements regarding infants' attachment to their fathers is TRUE?

A) Similarities between mothers' and fathers' parenting behaviors is the reason why infants develop similar attachments to them. B) Infants are less likely to form secure attachments with their fathers because fathers are less likely to feed them. C) Researchers have studied attachments between fathers and infants as often as they have studied mother-infant attachments. D) Infants tend to develop the same types of attachment bonds with their fathers as they do with their mothers.